Home / 2,190,209.79-3,286,156.07-1,542,407.70

Finding the Fourth Proportional to 2,190,209.79, 3,286,156.07 and 1,542,407.70

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Solution

The fourth proportional to 2,190,209.79, 3,286,156.07 and 1,542,407.70 is: 2,314,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,209.79 : 3,286,156.07 = 1,542,407.70 : x
  2. Step 2: Convert to fraction form
    2,190,209.79/3,286,156.07 = 1,542,407.70/x
  3. Step 3: Cross multiply
    2,190,209.79x = 3,286,156.07 × 1,542,407.70
  4. Step 4: Simplify right side
    2,190,209.79x = 5,068,592,429,625.76
  5. Step 5: Solve for x
    x = 5,068,592,429,625.76/2,190,209.79
  6. Step 6: Final answer
    x = 2,314,204.08

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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.