Home / 3,290,035.20-4,942,425.60-3,155,686.40

Finding the Fourth Proportional to 3,290,035.20, 4,942,425.60 and 3,155,686.40

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Solution

The fourth proportional to 3,290,035.20, 4,942,425.60 and 3,155,686.40 is: 4,740,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,035.20 : 4,942,425.60 = 3,155,686.40 : x
  2. Step 2: Convert to fraction form
    3,290,035.20/4,942,425.60 = 3,155,686.40/x
  3. Step 3: Cross multiply
    3,290,035.20x = 4,942,425.60 × 3,155,686.40
  4. Step 4: Simplify right side
    3,290,035.20x = 15,596,745,248,931.84
  5. Step 5: Solve for x
    x = 15,596,745,248,931.84/3,290,035.20
  6. Step 6: Final answer
    x = 4,740,601.33

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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.