Home / 2,290,208.80-3,435,313.20-2,116,998.40

Finding the Fourth Proportional to 2,290,208.80, 3,435,313.20 and 2,116,998.40

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Solution

The fourth proportional to 2,290,208.80, 3,435,313.20 and 2,116,998.40 is: 3,175,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,208.80 : 3,435,313.20 = 2,116,998.40 : x
  2. Step 2: Convert to fraction form
    2,290,208.80/3,435,313.20 = 2,116,998.40/x
  3. Step 3: Cross multiply
    2,290,208.80x = 3,435,313.20 × 2,116,998.40
  4. Step 4: Simplify right side
    2,290,208.80x = 7,272,552,547,898.88
  5. Step 5: Solve for x
    x = 7,272,552,547,898.88/2,290,208.80
  6. Step 6: Final answer
    x = 3,175,497.60

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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.