Home / 2,531,188.27-3,493,045.74-1,385,342.43

Finding the Fourth Proportional to 2,531,188.27, 3,493,045.74 and 1,385,342.43

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Solution

The fourth proportional to 2,531,188.27, 3,493,045.74 and 1,385,342.43 is: 1,911,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,188.27 : 3,493,045.74 = 1,385,342.43 : x
  2. Step 2: Convert to fraction form
    2,531,188.27/3,493,045.74 = 1,385,342.43/x
  3. Step 3: Cross multiply
    2,531,188.27x = 3,493,045.74 × 1,385,342.43
  4. Step 4: Simplify right side
    2,531,188.27x = 4,839,064,473,552.75
  5. Step 5: Solve for x
    x = 4,839,064,473,552.75/2,531,188.27
  6. Step 6: Final answer
    x = 1,911,775.80

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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.