Home / 3,266,296.60-4,899,128.10-991,840.68

Finding the Fourth Proportional to 3,266,296.60, 4,899,128.10 and 991,840.68

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Solution

The fourth proportional to 3,266,296.60, 4,899,128.10 and 991,840.68 is: 1,487,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,296.60 : 4,899,128.10 = 991,840.68 : x
  2. Step 2: Convert to fraction form
    3,266,296.60/4,899,128.10 = 991,840.68/x
  3. Step 3: Cross multiply
    3,266,296.60x = 4,899,128.10 × 991,840.68
  4. Step 4: Simplify right side
    3,266,296.60x = 4,859,154,546,111.11
  5. Step 5: Solve for x
    x = 4,859,154,546,111.11/3,266,296.60
  6. Step 6: Final answer
    x = 1,487,664.82

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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.