Home / 3,990,522.13-5,506,921.14-2,179,686.13

Finding the Fourth Proportional to 3,990,522.13, 5,506,921.14 and 2,179,686.13

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Solution

The fourth proportional to 3,990,522.13, 5,506,921.14 and 2,179,686.13 is: 3,007,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,522.13 : 5,506,921.14 = 2,179,686.13 : x
  2. Step 2: Convert to fraction form
    3,990,522.13/5,506,921.14 = 2,179,686.13/x
  3. Step 3: Cross multiply
    3,990,522.13x = 5,506,921.14 × 2,179,686.13
  4. Step 4: Simplify right side
    3,990,522.13x = 12,003,359,627,861.79
  5. Step 5: Solve for x
    x = 12,003,359,627,861.79/3,990,522.13
  6. Step 6: Final answer
    x = 3,007,967.19

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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.