Home / 2,140,417.80-3,207,905.10-876,817.80

Finding the Fourth Proportional to 2,140,417.80, 3,207,905.10 and 876,817.80

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Solution

The fourth proportional to 2,140,417.80, 3,207,905.10 and 876,817.80 is: 1,314,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,417.80 : 3,207,905.10 = 876,817.80 : x
  2. Step 2: Convert to fraction form
    2,140,417.80/3,207,905.10 = 876,817.80/x
  3. Step 3: Cross multiply
    2,140,417.80x = 3,207,905.10 × 876,817.80
  4. Step 4: Simplify right side
    2,140,417.80x = 2,812,748,292,390.78
  5. Step 5: Solve for x
    x = 2,812,748,292,390.78/2,140,417.80
  6. Step 6: Final answer
    x = 1,314,111.80

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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.