Home / 2,209,686.80-3,316,279.80-862,494.80

Finding the Fourth Proportional to 2,209,686.80, 3,316,279.80 and 862,494.80

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Solution

The fourth proportional to 2,209,686.80, 3,316,279.80 and 862,494.80 is: 1,294,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,686.80 : 3,316,279.80 = 862,494.80 : x
  2. Step 2: Convert to fraction form
    2,209,686.80/3,316,279.80 = 862,494.80/x
  3. Step 3: Cross multiply
    2,209,686.80x = 3,316,279.80 × 862,494.80
  4. Step 4: Simplify right side
    2,209,686.80x = 2,860,274,082,845.04
  5. Step 5: Solve for x
    x = 2,860,274,082,845.04/2,209,686.80
  6. Step 6: Final answer
    x = 1,294,425.11

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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.