Home / 1,585,099.69-2,187,643.91-887,646.14

Finding the Fourth Proportional to 1,585,099.69, 2,187,643.91 and 887,646.14

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Solution

The fourth proportional to 1,585,099.69, 2,187,643.91 and 887,646.14 is: 1,225,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,099.69 : 2,187,643.91 = 887,646.14 : x
  2. Step 2: Convert to fraction form
    1,585,099.69/2,187,643.91 = 887,646.14/x
  3. Step 3: Cross multiply
    1,585,099.69x = 2,187,643.91 × 887,646.14
  4. Step 4: Simplify right side
    1,585,099.69x = 1,941,853,657,029.56
  5. Step 5: Solve for x
    x = 1,941,853,657,029.56/1,585,099.69
  6. Step 6: Final answer
    x = 1,225,067.21

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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.