Home / 5,078,382.38-7,617,485.33-2,045,670.71

Finding the Fourth Proportional to 5,078,382.38, 7,617,485.33 and 2,045,670.71

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Solution

The fourth proportional to 5,078,382.38, 7,617,485.33 and 2,045,670.71 is: 3,068,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,382.38 : 7,617,485.33 = 2,045,670.71 : x
  2. Step 2: Convert to fraction form
    5,078,382.38/7,617,485.33 = 2,045,670.71/x
  3. Step 3: Cross multiply
    5,078,382.38x = 7,617,485.33 × 2,045,670.71
  4. Step 4: Simplify right side
    5,078,382.38x = 15,582,866,575,119.90
  5. Step 5: Solve for x
    x = 15,582,866,575,119.90/5,078,382.38
  6. Step 6: Final answer
    x = 3,068,470.51

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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.