Home / 1,646,205.14-2,271,851.08-921,009.44

Finding the Fourth Proportional to 1,646,205.14, 2,271,851.08 and 921,009.44

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Solution

The fourth proportional to 1,646,205.14, 2,271,851.08 and 921,009.44 is: 1,271,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,205.14 : 2,271,851.08 = 921,009.44 : x
  2. Step 2: Convert to fraction form
    1,646,205.14/2,271,851.08 = 921,009.44/x
  3. Step 3: Cross multiply
    1,646,205.14x = 2,271,851.08 × 921,009.44
  4. Step 4: Simplify right side
    1,646,205.14x = 2,092,396,290,954.20
  5. Step 5: Solve for x
    x = 2,092,396,290,954.20/1,646,205.14
  6. Step 6: Final answer
    x = 1,271,042.25

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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.