Home / 2,657,009.70-3,986,498.70-859,951.80

Finding the Fourth Proportional to 2,657,009.70, 3,986,498.70 and 859,951.80

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Solution

The fourth proportional to 2,657,009.70, 3,986,498.70 and 859,951.80 is: 1,290,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,009.70 : 3,986,498.70 = 859,951.80 : x
  2. Step 2: Convert to fraction form
    2,657,009.70/3,986,498.70 = 859,951.80/x
  3. Step 3: Cross multiply
    2,657,009.70x = 3,986,498.70 × 859,951.80
  4. Step 4: Simplify right side
    2,657,009.70x = 3,428,196,732,762.66
  5. Step 5: Solve for x
    x = 3,428,196,732,762.66/2,657,009.70
  6. Step 6: Final answer
    x = 1,290,246.22

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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.