Home / 2,970,071.52-4,098,701.68-1,611,945.12

Finding the Fourth Proportional to 2,970,071.52, 4,098,701.68 and 1,611,945.12

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Solution

The fourth proportional to 2,970,071.52, 4,098,701.68 and 1,611,945.12 is: 2,224,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,071.52 : 4,098,701.68 = 1,611,945.12 : x
  2. Step 2: Convert to fraction form
    2,970,071.52/4,098,701.68 = 1,611,945.12/x
  3. Step 3: Cross multiply
    2,970,071.52x = 4,098,701.68 × 1,611,945.12
  4. Step 4: Simplify right side
    2,970,071.52x = 6,606,882,171,411.80
  5. Step 5: Solve for x
    x = 6,606,882,171,411.80/2,970,071.52
  6. Step 6: Final answer
    x = 2,224,485.88

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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.