Home / 2,945,326.18-4,417,470.87-786,378.10

Finding the Fourth Proportional to 2,945,326.18, 4,417,470.87 and 786,378.10

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Solution

The fourth proportional to 2,945,326.18, 4,417,470.87 and 786,378.10 is: 1,179,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,326.18 : 4,417,470.87 = 786,378.10 : x
  2. Step 2: Convert to fraction form
    2,945,326.18/4,417,470.87 = 786,378.10/x
  3. Step 3: Cross multiply
    2,945,326.18x = 4,417,470.87 × 786,378.10
  4. Step 4: Simplify right side
    2,945,326.18x = 3,473,802,335,563.35
  5. Step 5: Solve for x
    x = 3,473,802,335,563.35/2,945,326.18
  6. Step 6: Final answer
    x = 1,179,428.74

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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.