Home / 2,672,815.20-4,010,140.80-779,834.40

Finding the Fourth Proportional to 2,672,815.20, 4,010,140.80 and 779,834.40

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Solution

The fourth proportional to 2,672,815.20, 4,010,140.80 and 779,834.40 is: 1,170,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,815.20 : 4,010,140.80 = 779,834.40 : x
  2. Step 2: Convert to fraction form
    2,672,815.20/4,010,140.80 = 779,834.40/x
  3. Step 3: Cross multiply
    2,672,815.20x = 4,010,140.80 × 779,834.40
  4. Step 4: Simplify right side
    2,672,815.20x = 3,127,245,744,683.52
  5. Step 5: Solve for x
    x = 3,127,245,744,683.52/2,672,815.20
  6. Step 6: Final answer
    x = 1,170,019.44

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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.