Home / 1,947,158.40-2,921,837.28-1,048,581.12

Finding the Fourth Proportional to 1,947,158.40, 2,921,837.28 and 1,048,581.12

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Solution

The fourth proportional to 1,947,158.40, 2,921,837.28 and 1,048,581.12 is: 1,573,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,158.40 : 2,921,837.28 = 1,048,581.12 : x
  2. Step 2: Convert to fraction form
    1,947,158.40/2,921,837.28 = 1,048,581.12/x
  3. Step 3: Cross multiply
    1,947,158.40x = 2,921,837.28 × 1,048,581.12
  4. Step 4: Simplify right side
    1,947,158.40x = 3,063,783,407,520.15
  5. Step 5: Solve for x
    x = 3,063,783,407,520.15/1,947,158.40
  6. Step 6: Final answer
    x = 1,573,463.88

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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.