Home / 3,320,128.60-4,980,192.90-3,036,693.40

Finding the Fourth Proportional to 3,320,128.60, 4,980,192.90 and 3,036,693.40

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Solution

The fourth proportional to 3,320,128.60, 4,980,192.90 and 3,036,693.40 is: 4,555,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,128.60 : 4,980,192.90 = 3,036,693.40 : x
  2. Step 2: Convert to fraction form
    3,320,128.60/4,980,192.90 = 3,036,693.40/x
  3. Step 3: Cross multiply
    3,320,128.60x = 4,980,192.90 × 3,036,693.40
  4. Step 4: Simplify right side
    3,320,128.60x = 15,123,318,910,156.86
  5. Step 5: Solve for x
    x = 15,123,318,910,156.86/3,320,128.60
  6. Step 6: Final answer
    x = 4,555,040.10

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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.