Home / 6,459,613.20-9,689,419.86-1,910,307.74

Finding the Fourth Proportional to 6,459,613.20, 9,689,419.86 and 1,910,307.74

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Solution

The fourth proportional to 6,459,613.20, 9,689,419.86 and 1,910,307.74 is: 2,865,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,613.20 : 9,689,419.86 = 1,910,307.74 : x
  2. Step 2: Convert to fraction form
    6,459,613.20/9,689,419.86 = 1,910,307.74/x
  3. Step 3: Cross multiply
    6,459,613.20x = 9,689,419.86 × 1,910,307.74
  4. Step 4: Simplify right side
    6,459,613.20x = 18,509,773,754,667.71
  5. Step 5: Solve for x
    x = 18,509,773,754,667.71/6,459,613.20
  6. Step 6: Final answer
    x = 2,865,461.63

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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.