Home / 5,338,780.86-8,009,201.61-1,743,581.28

Finding the Fourth Proportional to 5,338,780.86, 8,009,201.61 and 1,743,581.28

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Solution

The fourth proportional to 5,338,780.86, 8,009,201.61 and 1,743,581.28 is: 2,615,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,780.86 : 8,009,201.61 = 1,743,581.28 : x
  2. Step 2: Convert to fraction form
    5,338,780.86/8,009,201.61 = 1,743,581.28/x
  3. Step 3: Cross multiply
    5,338,780.86x = 8,009,201.61 × 1,743,581.28
  4. Step 4: Simplify right side
    5,338,780.86x = 13,964,693,994,941.86
  5. Step 5: Solve for x
    x = 13,964,693,994,941.86/5,338,780.86
  6. Step 6: Final answer
    x = 2,615,708.41

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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.