Home / 1,928,162.79-2,891,661.87-579,967.49

Finding the Fourth Proportional to 1,928,162.79, 2,891,661.87 and 579,967.49

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Solution

The fourth proportional to 1,928,162.79, 2,891,661.87 and 579,967.49 is: 869,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,162.79 : 2,891,661.87 = 579,967.49 : x
  2. Step 2: Convert to fraction form
    1,928,162.79/2,891,661.87 = 579,967.49/x
  3. Step 3: Cross multiply
    1,928,162.79x = 2,891,661.87 × 579,967.49
  4. Step 4: Simplify right side
    1,928,162.79x = 1,677,069,876,672.61
  5. Step 5: Solve for x
    x = 1,677,069,876,672.61/1,928,162.79
  6. Step 6: Final answer
    x = 869,776.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.