Home / 5,078,267.20-7,007,774.24-2,786,370.88

Finding the Fourth Proportional to 5,078,267.20, 7,007,774.24 and 2,786,370.88

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Solution

The fourth proportional to 5,078,267.20, 7,007,774.24 and 2,786,370.88 is: 3,845,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,267.20 : 7,007,774.24 = 2,786,370.88 : x
  2. Step 2: Convert to fraction form
    5,078,267.20/7,007,774.24 = 2,786,370.88/x
  3. Step 3: Cross multiply
    5,078,267.20x = 7,007,774.24 × 2,786,370.88
  4. Step 4: Simplify right side
    5,078,267.20x = 19,526,258,075,950.13
  5. Step 5: Solve for x
    x = 19,526,258,075,950.13/5,078,267.20
  6. Step 6: Final answer
    x = 3,845,063.15

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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.