Home / 4,712,861.70-7,069,292.55-2,321,377.20

Finding the Fourth Proportional to 4,712,861.70, 7,069,292.55 and 2,321,377.20

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Solution

The fourth proportional to 4,712,861.70, 7,069,292.55 and 2,321,377.20 is: 3,482,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,861.70 : 7,069,292.55 = 2,321,377.20 : x
  2. Step 2: Convert to fraction form
    4,712,861.70/7,069,292.55 = 2,321,377.20/x
  3. Step 3: Cross multiply
    4,712,861.70x = 7,069,292.55 × 2,321,377.20
  4. Step 4: Simplify right side
    4,712,861.70x = 16,410,494,545,699.86
  5. Step 5: Solve for x
    x = 16,410,494,545,699.86/4,712,861.70
  6. Step 6: Final answer
    x = 3,482,065.80

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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.