Home / 1,971,234.97-2,719,790.05-1,155,000.13

Finding the Fourth Proportional to 1,971,234.97, 2,719,790.05 and 1,155,000.13

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Solution

The fourth proportional to 1,971,234.97, 2,719,790.05 and 1,155,000.13 is: 1,593,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,234.97 : 2,719,790.05 = 1,155,000.13 : x
  2. Step 2: Convert to fraction form
    1,971,234.97/2,719,790.05 = 1,155,000.13/x
  3. Step 3: Cross multiply
    1,971,234.97x = 2,719,790.05 × 1,155,000.13
  4. Step 4: Simplify right side
    1,971,234.97x = 3,141,357,861,322.71
  5. Step 5: Solve for x
    x = 3,141,357,861,322.71/1,971,234.97
  6. Step 6: Final answer
    x = 1,593,598.89

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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.