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Finding the Fourth Proportional to 5,878,702.87, 8,819,189.90 and 2,235,149.45

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Solution

The fourth proportional to 5,878,702.87, 8,819,189.90 and 2,235,149.45 is: 3,353,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878,702.87 : 8,819,189.90 = 2,235,149.45 : x
  2. Step 2: Convert to fraction form
    5,878,702.87/8,819,189.90 = 2,235,149.45/x
  3. Step 3: Cross multiply
    5,878,702.87x = 8,819,189.90 × 2,235,149.45
  4. Step 4: Simplify right side
    5,878,702.87x = 19,712,207,465,302.78
  5. Step 5: Solve for x
    x = 19,712,207,465,302.78/5,878,702.87
  6. Step 6: Final answer
    x = 3,353,155.94

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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.