Home / 2,129,907.60-3,193,306.20-867,085.20

Finding the Fourth Proportional to 2,129,907.60, 3,193,306.20 and 867,085.20

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Solution

The fourth proportional to 2,129,907.60, 3,193,306.20 and 867,085.20 is: 1,299,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,907.60 : 3,193,306.20 = 867,085.20 : x
  2. Step 2: Convert to fraction form
    2,129,907.60/3,193,306.20 = 867,085.20/x
  3. Step 3: Cross multiply
    2,129,907.60x = 3,193,306.20 × 867,085.20
  4. Step 4: Simplify right side
    2,129,907.60x = 2,768,868,545,088.24
  5. Step 5: Solve for x
    x = 2,768,868,545,088.24/2,129,907.60
  6. Step 6: Final answer
    x = 1,299,994.68

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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.