Home / 4,215,368.40-5,815,780.56-2,744,605.32

Finding the Fourth Proportional to 4,215,368.40, 5,815,780.56 and 2,744,605.32

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Solution

The fourth proportional to 4,215,368.40, 5,815,780.56 and 2,744,605.32 is: 3,786,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,368.40 : 5,815,780.56 = 2,744,605.32 : x
  2. Step 2: Convert to fraction form
    4,215,368.40/5,815,780.56 = 2,744,605.32/x
  3. Step 3: Cross multiply
    4,215,368.40x = 5,815,780.56 × 2,744,605.32
  4. Step 4: Simplify right side
    4,215,368.40x = 15,962,022,264,928.58
  5. Step 5: Solve for x
    x = 15,962,022,264,928.58/4,215,368.40
  6. Step 6: Final answer
    x = 3,786,625.69

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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.