Home / 2,687,298.81-4,031,516.83-890,080.53

Finding the Fourth Proportional to 2,687,298.81, 4,031,516.83 and 890,080.53

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Solution

The fourth proportional to 2,687,298.81, 4,031,516.83 and 890,080.53 is: 1,335,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,298.81 : 4,031,516.83 = 890,080.53 : x
  2. Step 2: Convert to fraction form
    2,687,298.81/4,031,516.83 = 890,080.53/x
  3. Step 3: Cross multiply
    2,687,298.81x = 4,031,516.83 × 890,080.53
  4. Step 4: Simplify right side
    2,687,298.81x = 3,588,374,636,750.32
  5. Step 5: Solve for x
    x = 3,588,374,636,750.32/2,687,298.81
  6. Step 6: Final answer
    x = 1,335,309.13

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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.