Home / 2,687,308.18-4,031,530.89-890,089.90

Finding the Fourth Proportional to 2,687,308.18, 4,031,530.89 and 890,089.90

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Solution

The fourth proportional to 2,687,308.18, 4,031,530.89 and 890,089.90 is: 1,335,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,308.18 : 4,031,530.89 = 890,089.90 : x
  2. Step 2: Convert to fraction form
    2,687,308.18/4,031,530.89 = 890,089.90/x
  3. Step 3: Cross multiply
    2,687,308.18x = 4,031,530.89 × 890,089.90
  4. Step 4: Simplify right side
    2,687,308.18x = 3,588,424,926,727.01
  5. Step 5: Solve for x
    x = 3,588,424,926,727.01/2,687,308.18
  6. Step 6: Final answer
    x = 1,335,323.19

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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.