Home / 1,646,205.96-2,271,852.54-921,010.44

Finding the Fourth Proportional to 1,646,205.96, 2,271,852.54 and 921,010.44

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Solution

The fourth proportional to 1,646,205.96, 2,271,852.54 and 921,010.44 is: 1,271,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,205.96 : 2,271,852.54 = 921,010.44 : x
  2. Step 2: Convert to fraction form
    1,646,205.96/2,271,852.54 = 921,010.44/x
  3. Step 3: Cross multiply
    1,646,205.96x = 2,271,852.54 × 921,010.44
  4. Step 4: Simplify right side
    1,646,205.96x = 2,092,399,907,480.52
  5. Step 5: Solve for x
    x = 2,092,399,907,480.52/1,646,205.96
  6. Step 6: Final answer
    x = 1,271,043.82

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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.