Home / 2,828,140.98-4,242,250.98-806,385.66

Finding the Fourth Proportional to 2,828,140.98, 4,242,250.98 and 806,385.66

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Solution

The fourth proportional to 2,828,140.98, 4,242,250.98 and 806,385.66 is: 1,209,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,140.98 : 4,242,250.98 = 806,385.66 : x
  2. Step 2: Convert to fraction form
    2,828,140.98/4,242,250.98 = 806,385.66/x
  3. Step 3: Cross multiply
    2,828,140.98x = 4,242,250.98 × 806,385.66
  4. Step 4: Simplify right side
    2,828,140.98x = 3,420,890,356,392.95
  5. Step 5: Solve for x
    x = 3,420,890,356,392.95/2,828,140.98
  6. Step 6: Final answer
    x = 1,209,589.76

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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.