Home / 1,909,139.76-2,634,542.04-1,049,648.88

Finding the Fourth Proportional to 1,909,139.76, 2,634,542.04 and 1,049,648.88

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Solution

The fourth proportional to 1,909,139.76, 2,634,542.04 and 1,049,648.88 is: 1,448,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,139.76 : 2,634,542.04 = 1,049,648.88 : x
  2. Step 2: Convert to fraction form
    1,909,139.76/2,634,542.04 = 1,049,648.88/x
  3. Step 3: Cross multiply
    1,909,139.76x = 2,634,542.04 × 1,049,648.88
  4. Step 4: Simplify right side
    1,909,139.76x = 2,765,344,101,598.92
  5. Step 5: Solve for x
    x = 2,765,344,101,598.92/1,909,139.76
  6. Step 6: Final answer
    x = 1,448,476.51

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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.