Home / 5,418,279.33-7,477,139.86-2,970,910.50

Finding the Fourth Proportional to 5,418,279.33, 7,477,139.86 and 2,970,910.50

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Solution

The fourth proportional to 5,418,279.33, 7,477,139.86 and 2,970,910.50 is: 4,099,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,279.33 : 7,477,139.86 = 2,970,910.50 : x
  2. Step 2: Convert to fraction form
    5,418,279.33/7,477,139.86 = 2,970,910.50/x
  3. Step 3: Cross multiply
    5,418,279.33x = 7,477,139.86 × 2,970,910.50
  4. Step 4: Simplify right side
    5,418,279.33x = 22,213,913,320,042.53
  5. Step 5: Solve for x
    x = 22,213,913,320,042.53/5,418,279.33
  6. Step 6: Final answer
    x = 4,099,809.55

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1.5x scale

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.