Home / 2,390,489.25-3,298,875.17-1,317,401.25

Finding the Fourth Proportional to 2,390,489.25, 3,298,875.17 and 1,317,401.25

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Solution

The fourth proportional to 2,390,489.25, 3,298,875.17 and 1,317,401.25 is: 1,818,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,489.25 : 3,298,875.17 = 1,317,401.25 : x
  2. Step 2: Convert to fraction form
    2,390,489.25/3,298,875.17 = 1,317,401.25/x
  3. Step 3: Cross multiply
    2,390,489.25x = 3,298,875.17 × 1,317,401.25
  4. Step 4: Simplify right side
    2,390,489.25x = 4,345,942,265,964.96
  5. Step 5: Solve for x
    x = 4,345,942,265,964.96/2,390,489.25
  6. Step 6: Final answer
    x = 1,818,013.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.