Home / 5,434,306.40-8,151,200.40-1,839,720.80

Finding the Fourth Proportional to 5,434,306.40, 8,151,200.40 and 1,839,720.80

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Solution

The fourth proportional to 5,434,306.40, 8,151,200.40 and 1,839,720.80 is: 2,759,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,306.40 : 8,151,200.40 = 1,839,720.80 : x
  2. Step 2: Convert to fraction form
    5,434,306.40/8,151,200.40 = 1,839,720.80/x
  3. Step 3: Cross multiply
    5,434,306.40x = 8,151,200.40 × 1,839,720.80
  4. Step 4: Simplify right side
    5,434,306.40x = 14,995,932,920,848.32
  5. Step 5: Solve for x
    x = 14,995,932,920,848.32/5,434,306.40
  6. Step 6: Final answer
    x = 2,759,493.45

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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.