Home / 4,920,900.30-7,381,350.45-2,225,313.45

Finding the Fourth Proportional to 4,920,900.30, 7,381,350.45 and 2,225,313.45

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Solution

The fourth proportional to 4,920,900.30, 7,381,350.45 and 2,225,313.45 is: 3,337,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,900.30 : 7,381,350.45 = 2,225,313.45 : x
  2. Step 2: Convert to fraction form
    4,920,900.30/7,381,350.45 = 2,225,313.45/x
  3. Step 3: Cross multiply
    4,920,900.30x = 7,381,350.45 × 2,225,313.45
  4. Step 4: Simplify right side
    4,920,900.30x = 16,425,818,435,548.55
  5. Step 5: Solve for x
    x = 16,425,818,435,548.55/4,920,900.30
  6. Step 6: Final answer
    x = 3,337,970.18

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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.