Home / 5,168,153.59-7,751,638.85-1,381,931.71

Finding the Fourth Proportional to 5,168,153.59, 7,751,638.85 and 1,381,931.71

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Solution

The fourth proportional to 5,168,153.59, 7,751,638.85 and 1,381,931.71 is: 2,072,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,153.59 : 7,751,638.85 = 1,381,931.71 : x
  2. Step 2: Convert to fraction form
    5,168,153.59/7,751,638.85 = 1,381,931.71/x
  3. Step 3: Cross multiply
    5,168,153.59x = 7,751,638.85 × 1,381,931.71
  4. Step 4: Simplify right side
    5,168,153.59x = 10,712,235,515,358.67
  5. Step 5: Solve for x
    x = 10,712,235,515,358.67/5,168,153.59
  6. Step 6: Final answer
    x = 2,072,739.39

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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.