Home / 3,178,422.50-4,386,373.01-1,801,792.89

Finding the Fourth Proportional to 3,178,422.50, 4,386,373.01 and 1,801,792.89

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Solution

The fourth proportional to 3,178,422.50, 4,386,373.01 and 1,801,792.89 is: 2,486,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,422.50 : 4,386,373.01 = 1,801,792.89 : x
  2. Step 2: Convert to fraction form
    3,178,422.50/4,386,373.01 = 1,801,792.89/x
  3. Step 3: Cross multiply
    3,178,422.50x = 4,386,373.01 × 1,801,792.89
  4. Step 4: Simplify right side
    3,178,422.50x = 7,903,335,693,296.93
  5. Step 5: Solve for x
    x = 7,903,335,693,296.93/3,178,422.50
  6. Step 6: Final answer
    x = 2,486,559.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.