Home / 4,290,822-6,436,133.28-2,160,334.08

Finding the Fourth Proportional to 4,290,822, 6,436,133.28 and 2,160,334.08

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Solution

The fourth proportional to 4,290,822, 6,436,133.28 and 2,160,334.08 is: 3,240,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,822 : 6,436,133.28 = 2,160,334.08 : x
  2. Step 2: Convert to fraction form
    4,290,822/6,436,133.28 = 2,160,334.08/x
  3. Step 3: Cross multiply
    4,290,822x = 6,436,133.28 × 2,160,334.08
  4. Step 4: Simplify right side
    4,290,822x = 13,904,198,068,206.18
  5. Step 5: Solve for x
    x = 13,904,198,068,206.18/4,290,822
  6. Step 6: Final answer
    x = 3,240,450.91

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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.