Home / 2,909,618.82-4,015,398.42-1,620,459

Finding the Fourth Proportional to 2,909,618.82, 4,015,398.42 and 1,620,459

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Solution

The fourth proportional to 2,909,618.82, 4,015,398.42 and 1,620,459 is: 2,236,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,618.82 : 4,015,398.42 = 1,620,459 : x
  2. Step 2: Convert to fraction form
    2,909,618.82/4,015,398.42 = 1,620,459/x
  3. Step 3: Cross multiply
    2,909,618.82x = 4,015,398.42 × 1,620,459
  4. Step 4: Simplify right side
    2,909,618.82x = 6,506,788,508,274.78
  5. Step 5: Solve for x
    x = 6,506,788,508,274.78/2,909,618.82
  6. Step 6: Final answer
    x = 2,236,302.73

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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.