Home / 1,947,344.76-2,918,406.18-1,515,583.72

Finding the Fourth Proportional to 1,947,344.76, 2,918,406.18 and 1,515,583.72

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Solution

The fourth proportional to 1,947,344.76, 2,918,406.18 and 1,515,583.72 is: 2,271,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,344.76 : 2,918,406.18 = 1,515,583.72 : x
  2. Step 2: Convert to fraction form
    1,947,344.76/2,918,406.18 = 1,515,583.72/x
  3. Step 3: Cross multiply
    1,947,344.76x = 2,918,406.18 × 1,515,583.72
  4. Step 4: Simplify right side
    1,947,344.76x = 4,423,088,894,755.39
  5. Step 5: Solve for x
    x = 4,423,088,894,755.39/1,947,344.76
  6. Step 6: Final answer
    x = 2,271,343.52

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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.