Home / 2,390,449-3,298,819.70-1,317,361

Finding the Fourth Proportional to 2,390,449, 3,298,819.70 and 1,317,361

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Solution

The fourth proportional to 2,390,449, 3,298,819.70 and 1,317,361 is: 1,817,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,449 : 3,298,819.70 = 1,317,361 : x
  2. Step 2: Convert to fraction form
    2,390,449/3,298,819.70 = 1,317,361/x
  3. Step 3: Cross multiply
    2,390,449x = 3,298,819.70 × 1,317,361
  4. Step 4: Simplify right side
    2,390,449x = 4,345,736,418,811.70
  5. Step 5: Solve for x
    x = 4,345,736,418,811.70/2,390,449
  6. Step 6: Final answer
    x = 1,817,958.22

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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.