Home / 2,874,745.40-4,312,118.10-853,301.30

Finding the Fourth Proportional to 2,874,745.40, 4,312,118.10 and 853,301.30

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Solution

The fourth proportional to 2,874,745.40, 4,312,118.10 and 853,301.30 is: 1,279,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,745.40 : 4,312,118.10 = 853,301.30 : x
  2. Step 2: Convert to fraction form
    2,874,745.40/4,312,118.10 = 853,301.30/x
  3. Step 3: Cross multiply
    2,874,745.40x = 4,312,118.10 × 853,301.30
  4. Step 4: Simplify right side
    2,874,745.40x = 3,679,535,980,483.53
  5. Step 5: Solve for x
    x = 3,679,535,980,483.53/2,874,745.40
  6. Step 6: Final answer
    x = 1,279,951.95

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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.