Home / 2,187,986.16-3,280,279.47-1,417,856.97

Finding the Fourth Proportional to 2,187,986.16, 3,280,279.47 and 1,417,856.97

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Solution

The fourth proportional to 2,187,986.16, 3,280,279.47 and 1,417,856.97 is: 2,125,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,986.16 : 3,280,279.47 = 1,417,856.97 : x
  2. Step 2: Convert to fraction form
    2,187,986.16/3,280,279.47 = 1,417,856.97/x
  3. Step 3: Cross multiply
    2,187,986.16x = 3,280,279.47 × 1,417,856.97
  4. Step 4: Simplify right side
    2,187,986.16x = 4,650,967,110,087.41
  5. Step 5: Solve for x
    x = 4,650,967,110,087.41/2,187,986.16
  6. Step 6: Final answer
    x = 2,125,683.97

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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.