Home / 5,788,420.30-8,680,423.42-1,949,211.96

Finding the Fourth Proportional to 5,788,420.30, 8,680,423.42 and 1,949,211.96

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Solution

The fourth proportional to 5,788,420.30, 8,680,423.42 and 1,949,211.96 is: 2,923,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788,420.30 : 8,680,423.42 = 1,949,211.96 : x
  2. Step 2: Convert to fraction form
    5,788,420.30/8,680,423.42 = 1,949,211.96/x
  3. Step 3: Cross multiply
    5,788,420.30x = 8,680,423.42 × 1,949,211.96
  4. Step 4: Simplify right side
    5,788,420.30x = 16,919,985,148,128.10
  5. Step 5: Solve for x
    x = 16,919,985,148,128.10/5,788,420.30
  6. Step 6: Final answer
    x = 2,923,074.74

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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.