Home / 3,435,511.20-5,153,266.80-3,141,578.40

Finding the Fourth Proportional to 3,435,511.20, 5,153,266.80 and 3,141,578.40

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Solution

The fourth proportional to 3,435,511.20, 5,153,266.80 and 3,141,578.40 is: 4,712,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,511.20 : 5,153,266.80 = 3,141,578.40 : x
  2. Step 2: Convert to fraction form
    3,435,511.20/5,153,266.80 = 3,141,578.40/x
  3. Step 3: Cross multiply
    3,435,511.20x = 5,153,266.80 × 3,141,578.40
  4. Step 4: Simplify right side
    3,435,511.20x = 16,189,391,668,317.12
  5. Step 5: Solve for x
    x = 16,189,391,668,317.12/3,435,511.20
  6. Step 6: Final answer
    x = 4,712,367.60

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Similar ratio
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1.5x scale

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.