Home / 1,646,824.73-2,272,617.77-921,672.41

Finding the Fourth Proportional to 1,646,824.73, 2,272,617.77 and 921,672.41

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Solution

The fourth proportional to 1,646,824.73, 2,272,617.77 and 921,672.41 is: 1,271,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,824.73 : 2,272,617.77 = 921,672.41 : x
  2. Step 2: Convert to fraction form
    1,646,824.73/2,272,617.77 = 921,672.41/x
  3. Step 3: Cross multiply
    1,646,824.73x = 2,272,617.77 × 921,672.41
  4. Step 4: Simplify right side
    1,646,824.73x = 2,094,609,081,113.28
  5. Step 5: Solve for x
    x = 2,094,609,081,113.28/1,646,824.73
  6. Step 6: Final answer
    x = 1,271,907.72

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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.