Home / 2,218,981.02-3,328,471.53-939,790.14

Finding the Fourth Proportional to 2,218,981.02, 3,328,471.53 and 939,790.14

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Solution

The fourth proportional to 2,218,981.02, 3,328,471.53 and 939,790.14 is: 1,409,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,981.02 : 3,328,471.53 = 939,790.14 : x
  2. Step 2: Convert to fraction form
    2,218,981.02/3,328,471.53 = 939,790.14/x
  3. Step 3: Cross multiply
    2,218,981.02x = 3,328,471.53 × 939,790.14
  4. Step 4: Simplify right side
    2,218,981.02x = 3,128,064,725,164.71
  5. Step 5: Solve for x
    x = 3,128,064,725,164.71/2,218,981.02
  6. Step 6: Final answer
    x = 1,409,685.21

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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.