Home / 1,646,957.49-2,272,283.19-921,689.97

Finding the Fourth Proportional to 1,646,957.49, 2,272,283.19 and 921,689.97

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Solution

The fourth proportional to 1,646,957.49, 2,272,283.19 and 921,689.97 is: 1,271,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,957.49 : 2,272,283.19 = 921,689.97 : x
  2. Step 2: Convert to fraction form
    1,646,957.49/2,272,283.19 = 921,689.97/x
  3. Step 3: Cross multiply
    1,646,957.49x = 2,272,283.19 × 921,689.97
  4. Step 4: Simplify right side
    1,646,957.49x = 2,094,340,625,222.60
  5. Step 5: Solve for x
    x = 2,094,340,625,222.60/1,646,957.49
  6. Step 6: Final answer
    x = 1,271,642.19

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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.