Home / 1,576,921.18-2,176,152.10-851,768.90

Finding the Fourth Proportional to 1,576,921.18, 2,176,152.10 and 851,768.90

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Solution

The fourth proportional to 1,576,921.18, 2,176,152.10 and 851,768.90 is: 1,175,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,921.18 : 2,176,152.10 = 851,768.90 : x
  2. Step 2: Convert to fraction form
    1,576,921.18/2,176,152.10 = 851,768.90/x
  3. Step 3: Cross multiply
    1,576,921.18x = 2,176,152.10 × 851,768.90
  4. Step 4: Simplify right side
    1,576,921.18x = 1,853,578,670,633.64
  5. Step 5: Solve for x
    x = 1,853,578,670,633.64/1,576,921.18
  6. Step 6: Final answer
    x = 1,175,441.55

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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.