Home / 1,576,970.16-2,176,218.48-851,817.90

Finding the Fourth Proportional to 1,576,970.16, 2,176,218.48 and 851,817.90

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Solution

The fourth proportional to 1,576,970.16, 2,176,218.48 and 851,817.90 is: 1,175,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,970.16 : 2,176,218.48 = 851,817.90 : x
  2. Step 2: Convert to fraction form
    1,576,970.16/2,176,218.48 = 851,817.90/x
  3. Step 3: Cross multiply
    1,576,970.16x = 2,176,218.48 × 851,817.90
  4. Step 4: Simplify right side
    1,576,970.16x = 1,853,741,855,574.79
  5. Step 5: Solve for x
    x = 1,853,741,855,574.79/1,576,970.16
  6. Step 6: Final answer
    x = 1,175,508.52

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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.