Home / 2,688,061.60-4,032,092.40-2,669,399.20

Finding the Fourth Proportional to 2,688,061.60, 4,032,092.40 and 2,669,399.20

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Solution

The fourth proportional to 2,688,061.60, 4,032,092.40 and 2,669,399.20 is: 4,004,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,061.60 : 4,032,092.40 = 2,669,399.20 : x
  2. Step 2: Convert to fraction form
    2,688,061.60/4,032,092.40 = 2,669,399.20/x
  3. Step 3: Cross multiply
    2,688,061.60x = 4,032,092.40 × 2,669,399.20
  4. Step 4: Simplify right side
    2,688,061.60x = 10,763,264,226,886.08
  5. Step 5: Solve for x
    x = 10,763,264,226,886.08/2,688,061.60
  6. Step 6: Final answer
    x = 4,004,098.80

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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.