Home / 1,910,917.28-2,866,818.78-648,744.86

Finding the Fourth Proportional to 1,910,917.28, 2,866,818.78 and 648,744.86

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Solution

The fourth proportional to 1,910,917.28, 2,866,818.78 and 648,744.86 is: 973,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,917.28 : 2,866,818.78 = 648,744.86 : x
  2. Step 2: Convert to fraction form
    1,910,917.28/2,866,818.78 = 648,744.86/x
  3. Step 3: Cross multiply
    1,910,917.28x = 2,866,818.78 × 648,744.86
  4. Step 4: Simplify right side
    1,910,917.28x = 1,859,833,948,076.47
  5. Step 5: Solve for x
    x = 1,859,833,948,076.47/1,910,917.28
  6. Step 6: Final answer
    x = 973,267.64

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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.