Home / 3,090,709.80-4,636,064.70-2,917,499.40

Finding the Fourth Proportional to 3,090,709.80, 4,636,064.70 and 2,917,499.40

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Solution

The fourth proportional to 3,090,709.80, 4,636,064.70 and 2,917,499.40 is: 4,376,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,709.80 : 4,636,064.70 = 2,917,499.40 : x
  2. Step 2: Convert to fraction form
    3,090,709.80/4,636,064.70 = 2,917,499.40/x
  3. Step 3: Cross multiply
    3,090,709.80x = 4,636,064.70 × 2,917,499.40
  4. Step 4: Simplify right side
    3,090,709.80x = 13,525,715,980,611.18
  5. Step 5: Solve for x
    x = 13,525,715,980,611.18/3,090,709.80
  6. Step 6: Final answer
    x = 4,376,249.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.