Home / 2,945,326.74-4,417,471.71-786,378.66

Finding the Fourth Proportional to 2,945,326.74, 4,417,471.71 and 786,378.66

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Solution

The fourth proportional to 2,945,326.74, 4,417,471.71 and 786,378.66 is: 1,179,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,326.74 : 4,417,471.71 = 786,378.66 : x
  2. Step 2: Convert to fraction form
    2,945,326.74/4,417,471.71 = 786,378.66/x
  3. Step 3: Cross multiply
    2,945,326.74x = 4,417,471.71 × 786,378.66
  4. Step 4: Simplify right side
    2,945,326.74x = 3,473,805,483,897.71
  5. Step 5: Solve for x
    x = 3,473,805,483,897.71/2,945,326.74
  6. Step 6: Final answer
    x = 1,179,429.58

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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.