Home / 1,489,731.90-2,239,263.45-1,461,738.30

Finding the Fourth Proportional to 1,489,731.90, 2,239,263.45 and 1,461,738.30

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Solution

The fourth proportional to 1,489,731.90, 2,239,263.45 and 1,461,738.30 is: 2,197,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,731.90 : 2,239,263.45 = 1,461,738.30 : x
  2. Step 2: Convert to fraction form
    1,489,731.90/2,239,263.45 = 1,461,738.30/x
  3. Step 3: Cross multiply
    1,489,731.90x = 2,239,263.45 × 1,461,738.30
  4. Step 4: Simplify right side
    1,489,731.90x = 3,273,217,148,655.14
  5. Step 5: Solve for x
    x = 3,273,217,148,655.14/1,489,731.90
  6. Step 6: Final answer
    x = 2,197,185.38

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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.