Home / 2,201,100.45-3,301,486.65-921,377.40

Finding the Fourth Proportional to 2,201,100.45, 3,301,486.65 and 921,377.40

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Solution

The fourth proportional to 2,201,100.45, 3,301,486.65 and 921,377.40 is: 1,381,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,100.45 : 3,301,486.65 = 921,377.40 : x
  2. Step 2: Convert to fraction form
    2,201,100.45/3,301,486.65 = 921,377.40/x
  3. Step 3: Cross multiply
    2,201,100.45x = 3,301,486.65 × 921,377.40
  4. Step 4: Simplify right side
    2,201,100.45x = 3,041,915,185,711.71
  5. Step 5: Solve for x
    x = 3,041,915,185,711.71/2,201,100.45
  6. Step 6: Final answer
    x = 1,381,997.44

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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.