Home / 1,889,587.52-2,836,019.36-991,663.68

Finding the Fourth Proportional to 1,889,587.52, 2,836,019.36 and 991,663.68

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Solution

The fourth proportional to 1,889,587.52, 2,836,019.36 and 991,663.68 is: 1,488,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,587.52 : 2,836,019.36 = 991,663.68 : x
  2. Step 2: Convert to fraction form
    1,889,587.52/2,836,019.36 = 991,663.68/x
  3. Step 3: Cross multiply
    1,889,587.52x = 2,836,019.36 × 991,663.68
  4. Step 4: Simplify right side
    1,889,587.52x = 2,812,377,395,088.84
  5. Step 5: Solve for x
    x = 2,812,377,395,088.84/1,889,587.52
  6. Step 6: Final answer
    x = 1,488,355.19

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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.