Home / 4,218,264.80-6,327,692.32-1,693,920

Finding the Fourth Proportional to 4,218,264.80, 6,327,692.32 and 1,693,920

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Solution

The fourth proportional to 4,218,264.80, 6,327,692.32 and 1,693,920 is: 2,540,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,264.80 : 6,327,692.32 = 1,693,920 : x
  2. Step 2: Convert to fraction form
    4,218,264.80/6,327,692.32 = 1,693,920/x
  3. Step 3: Cross multiply
    4,218,264.80x = 6,327,692.32 × 1,693,920
  4. Step 4: Simplify right side
    4,218,264.80x = 10,718,604,574,694.40
  5. Step 5: Solve for x
    x = 10,718,604,574,694.40/4,218,264.80
  6. Step 6: Final answer
    x = 2,540,998.51

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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.