Home / 3,312,905.76-4,969,469.12-916,549.74

Finding the Fourth Proportional to 3,312,905.76, 4,969,469.12 and 916,549.74

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Solution

The fourth proportional to 3,312,905.76, 4,969,469.12 and 916,549.74 is: 1,374,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,905.76 : 4,969,469.12 = 916,549.74 : x
  2. Step 2: Convert to fraction form
    3,312,905.76/4,969,469.12 = 916,549.74/x
  3. Step 3: Cross multiply
    3,312,905.76x = 4,969,469.12 × 916,549.74
  4. Step 4: Simplify right side
    3,312,905.76x = 4,554,765,625,291.28
  5. Step 5: Solve for x
    x = 4,554,765,625,291.28/3,312,905.76
  6. Step 6: Final answer
    x = 1,374,855.17

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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.