Home / 6,486,811.40-9,732,981.90-4,092,494.60

Finding the Fourth Proportional to 6,486,811.40, 9,732,981.90 and 4,092,494.60

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Solution

The fourth proportional to 6,486,811.40, 9,732,981.90 and 4,092,494.60 is: 6,140,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486,811.40 : 9,732,981.90 = 4,092,494.60 : x
  2. Step 2: Convert to fraction form
    6,486,811.40/9,732,981.90 = 4,092,494.60/x
  3. Step 3: Cross multiply
    6,486,811.40x = 9,732,981.90 × 4,092,494.60
  4. Step 4: Simplify right side
    6,486,811.40x = 39,832,175,867,647.74
  5. Step 5: Solve for x
    x = 39,832,175,867,647.74/6,486,811.40
  6. Step 6: Final answer
    x = 6,140,486.20

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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.