Home / 2,272,820.40-3,413,167.20-1,209,938.40

Finding the Fourth Proportional to 2,272,820.40, 3,413,167.20 and 1,209,938.40

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Solution

The fourth proportional to 2,272,820.40, 3,413,167.20 and 1,209,938.40 is: 1,817,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,820.40 : 3,413,167.20 = 1,209,938.40 : x
  2. Step 2: Convert to fraction form
    2,272,820.40/3,413,167.20 = 1,209,938.40/x
  3. Step 3: Cross multiply
    2,272,820.40x = 3,413,167.20 × 1,209,938.40
  4. Step 4: Simplify right side
    2,272,820.40x = 4,129,722,060,900.48
  5. Step 5: Solve for x
    x = 4,129,722,060,900.48/2,272,820.40
  6. Step 6: Final answer
    x = 1,817,003.25

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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.