Home / 2,492,545.20-3,439,727.37-1,390,046.22

Finding the Fourth Proportional to 2,492,545.20, 3,439,727.37 and 1,390,046.22

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Solution

The fourth proportional to 2,492,545.20, 3,439,727.37 and 1,390,046.22 is: 1,918,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492,545.20 : 3,439,727.37 = 1,390,046.22 : x
  2. Step 2: Convert to fraction form
    2,492,545.20/3,439,727.37 = 1,390,046.22/x
  3. Step 3: Cross multiply
    2,492,545.20x = 3,439,727.37 × 1,390,046.22
  4. Step 4: Simplify right side
    2,492,545.20x = 4,781,380,019,852.05
  5. Step 5: Solve for x
    x = 4,781,380,019,852.05/2,492,545.20
  6. Step 6: Final answer
    x = 1,918,272.14

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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.