Home / 4,753,852.20-7,130,778.30-3,942,037.80

Finding the Fourth Proportional to 4,753,852.20, 7,130,778.30 and 3,942,037.80

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Solution

The fourth proportional to 4,753,852.20, 7,130,778.30 and 3,942,037.80 is: 5,913,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753,852.20 : 7,130,778.30 = 3,942,037.80 : x
  2. Step 2: Convert to fraction form
    4,753,852.20/7,130,778.30 = 3,942,037.80/x
  3. Step 3: Cross multiply
    4,753,852.20x = 7,130,778.30 × 3,942,037.80
  4. Step 4: Simplify right side
    4,753,852.20x = 28,109,797,602,019.74
  5. Step 5: Solve for x
    x = 28,109,797,602,019.74/4,753,852.20
  6. Step 6: Final answer
    x = 5,913,056.70

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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.