Home / 1,973,192.97-2,721,158.34-1,309,731.48

Finding the Fourth Proportional to 1,973,192.97, 2,721,158.34 and 1,309,731.48

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Solution

The fourth proportional to 1,973,192.97, 2,721,158.34 and 1,309,731.48 is: 1,806,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,192.97 : 2,721,158.34 = 1,309,731.48 : x
  2. Step 2: Convert to fraction form
    1,973,192.97/2,721,158.34 = 1,309,731.48/x
  3. Step 3: Cross multiply
    1,973,192.97x = 2,721,158.34 × 1,309,731.48
  4. Step 4: Simplify right side
    1,973,192.97x = 3,563,986,739,962.54
  5. Step 5: Solve for x
    x = 3,563,986,739,962.54/1,973,192.97
  6. Step 6: Final answer
    x = 1,806,202.84

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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.