Home / 3,690,740.10-5,536,110.15-1,990,128.90

Finding the Fourth Proportional to 3,690,740.10, 5,536,110.15 and 1,990,128.90

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Solution

The fourth proportional to 3,690,740.10, 5,536,110.15 and 1,990,128.90 is: 2,985,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,740.10 : 5,536,110.15 = 1,990,128.90 : x
  2. Step 2: Convert to fraction form
    3,690,740.10/5,536,110.15 = 1,990,128.90/x
  3. Step 3: Cross multiply
    3,690,740.10x = 5,536,110.15 × 1,990,128.90
  4. Step 4: Simplify right side
    3,690,740.10x = 11,017,572,803,098.34
  5. Step 5: Solve for x
    x = 11,017,572,803,098.34/3,690,740.10
  6. Step 6: Final answer
    x = 2,985,193.35

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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.