Home / 1,999,561.12-2,995,575.36-987,498.88

Finding the Fourth Proportional to 1,999,561.12, 2,995,575.36 and 987,498.88

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Solution

The fourth proportional to 1,999,561.12, 2,995,575.36 and 987,498.88 is: 1,479,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,561.12 : 2,995,575.36 = 987,498.88 : x
  2. Step 2: Convert to fraction form
    1,999,561.12/2,995,575.36 = 987,498.88/x
  3. Step 3: Cross multiply
    1,999,561.12x = 2,995,575.36 × 987,498.88
  4. Step 4: Simplify right side
    1,999,561.12x = 2,958,127,312,955.60
  5. Step 5: Solve for x
    x = 2,958,127,312,955.60/1,999,561.12
  6. Step 6: Final answer
    x = 1,479,388.29

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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.