Home / 3,115,746.55-4,302,008.04-2,013,830.02

Finding the Fourth Proportional to 3,115,746.55, 4,302,008.04 and 2,013,830.02

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Solution

The fourth proportional to 3,115,746.55, 4,302,008.04 and 2,013,830.02 is: 2,780,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,746.55 : 4,302,008.04 = 2,013,830.02 : x
  2. Step 2: Convert to fraction form
    3,115,746.55/4,302,008.04 = 2,013,830.02/x
  3. Step 3: Cross multiply
    3,115,746.55x = 4,302,008.04 × 2,013,830.02
  4. Step 4: Simplify right side
    3,115,746.55x = 8,663,512,915,723.32
  5. Step 5: Solve for x
    x = 8,663,512,915,723.32/3,115,746.55
  6. Step 6: Final answer
    x = 2,780,557.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.