Home / 3,106,833.78-4,287,363.60-1,711,434.43

Finding the Fourth Proportional to 3,106,833.78, 4,287,363.60 and 1,711,434.43

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Solution

The fourth proportional to 3,106,833.78, 4,287,363.60 and 1,711,434.43 is: 2,361,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,833.78 : 4,287,363.60 = 1,711,434.43 : x
  2. Step 2: Convert to fraction form
    3,106,833.78/4,287,363.60 = 1,711,434.43/x
  3. Step 3: Cross multiply
    3,106,833.78x = 4,287,363.60 × 1,711,434.43
  4. Step 4: Simplify right side
    3,106,833.78x = 7,337,541,678,968.75
  5. Step 5: Solve for x
    x = 7,337,541,678,968.75/3,106,833.78
  6. Step 6: Final answer
    x = 2,361,742.60

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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.