Home / 2,688,098.16-4,030,747.32-1,267,772.88

Finding the Fourth Proportional to 2,688,098.16, 4,030,747.32 and 1,267,772.88

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Solution

The fourth proportional to 2,688,098.16, 4,030,747.32 and 1,267,772.88 is: 1,900,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,098.16 : 4,030,747.32 = 1,267,772.88 : x
  2. Step 2: Convert to fraction form
    2,688,098.16/4,030,747.32 = 1,267,772.88/x
  3. Step 3: Cross multiply
    2,688,098.16x = 4,030,747.32 × 1,267,772.88
  4. Step 4: Simplify right side
    2,688,098.16x = 5,110,072,138,428.68
  5. Step 5: Solve for x
    x = 5,110,072,138,428.68/2,688,098.16
  6. Step 6: Final answer
    x = 1,900,999.08

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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.