Home / 4,990,699.20-7,486,048.80-1,625,246.40

Finding the Fourth Proportional to 4,990,699.20, 7,486,048.80 and 1,625,246.40

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Solution

The fourth proportional to 4,990,699.20, 7,486,048.80 and 1,625,246.40 is: 2,437,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,699.20 : 7,486,048.80 = 1,625,246.40 : x
  2. Step 2: Convert to fraction form
    4,990,699.20/7,486,048.80 = 1,625,246.40/x
  3. Step 3: Cross multiply
    4,990,699.20x = 7,486,048.80 × 1,625,246.40
  4. Step 4: Simplify right side
    4,990,699.20x = 12,166,673,862,424.32
  5. Step 5: Solve for x
    x = 12,166,673,862,424.32/4,990,699.20
  6. Step 6: Final answer
    x = 2,437,869.60

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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.