Home / 3,108,191.60-4,662,918-977,780.24

Finding the Fourth Proportional to 3,108,191.60, 4,662,918 and 977,780.24

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Solution

The fourth proportional to 3,108,191.60, 4,662,918 and 977,780.24 is: 1,466,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,191.60 : 4,662,918 = 977,780.24 : x
  2. Step 2: Convert to fraction form
    3,108,191.60/4,662,918 = 977,780.24/x
  3. Step 3: Cross multiply
    3,108,191.60x = 4,662,918 × 977,780.24
  4. Step 4: Simplify right side
    3,108,191.60x = 4,559,309,081,140.32
  5. Step 5: Solve for x
    x = 4,559,309,081,140.32/3,108,191.60
  6. Step 6: Final answer
    x = 1,466,868.74

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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.