Home / 1,582,638.99-2,182,836.71-1,362,251.36

Finding the Fourth Proportional to 1,582,638.99, 2,182,836.71 and 1,362,251.36

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Solution

The fourth proportional to 1,582,638.99, 2,182,836.71 and 1,362,251.36 is: 1,878,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,638.99 : 2,182,836.71 = 1,362,251.36 : x
  2. Step 2: Convert to fraction form
    1,582,638.99/2,182,836.71 = 1,362,251.36/x
  3. Step 3: Cross multiply
    1,582,638.99x = 2,182,836.71 × 1,362,251.36
  4. Step 4: Simplify right side
    1,582,638.99x = 2,973,572,259,129.99
  5. Step 5: Solve for x
    x = 2,973,572,259,129.99/1,582,638.99
  6. Step 6: Final answer
    x = 1,878,869.58

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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.