Home / 2,687,278.68-4,031,486.64-890,060.40

Finding the Fourth Proportional to 2,687,278.68, 4,031,486.64 and 890,060.40

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Solution

The fourth proportional to 2,687,278.68, 4,031,486.64 and 890,060.40 is: 1,335,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,278.68 : 4,031,486.64 = 890,060.40 : x
  2. Step 2: Convert to fraction form
    2,687,278.68/4,031,486.64 = 890,060.40/x
  3. Step 3: Cross multiply
    2,687,278.68x = 4,031,486.64 × 890,060.40
  4. Step 4: Simplify right side
    2,687,278.68x = 3,588,266,611,393.06
  5. Step 5: Solve for x
    x = 3,588,266,611,393.06/2,687,278.68
  6. Step 6: Final answer
    x = 1,335,278.93

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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.