Home / 2,160,729.51-2,982,428.02-1,426,219.92

Finding the Fourth Proportional to 2,160,729.51, 2,982,428.02 and 1,426,219.92

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Solution

The fourth proportional to 2,160,729.51, 2,982,428.02 and 1,426,219.92 is: 1,968,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,729.51 : 2,982,428.02 = 1,426,219.92 : x
  2. Step 2: Convert to fraction form
    2,160,729.51/2,982,428.02 = 1,426,219.92/x
  3. Step 3: Cross multiply
    2,160,729.51x = 2,982,428.02 × 1,426,219.92
  4. Step 4: Simplify right side
    2,160,729.51x = 4,253,598,240,743.57
  5. Step 5: Solve for x
    x = 4,253,598,240,743.57/2,160,729.51
  6. Step 6: Final answer
    x = 1,968,593.58

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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.