Home / 3,468,661.38-4,783,572.18-2,978,464.16

Finding the Fourth Proportional to 3,468,661.38, 4,783,572.18 and 2,978,464.16

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Solution

The fourth proportional to 3,468,661.38, 4,783,572.18 and 2,978,464.16 is: 4,107,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,661.38 : 4,783,572.18 = 2,978,464.16 : x
  2. Step 2: Convert to fraction form
    3,468,661.38/4,783,572.18 = 2,978,464.16/x
  3. Step 3: Cross multiply
    3,468,661.38x = 4,783,572.18 × 2,978,464.16
  4. Step 4: Simplify right side
    3,468,661.38x = 14,247,698,306,862.00
  5. Step 5: Solve for x
    x = 14,247,698,306,862.00/3,468,661.38
  6. Step 6: Final answer
    x = 4,107,549.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.