Home / 1,857,008.10-2,785,123.35-911,057.70

Finding the Fourth Proportional to 1,857,008.10, 2,785,123.35 and 911,057.70

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Solution

The fourth proportional to 1,857,008.10, 2,785,123.35 and 911,057.70 is: 1,366,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,008.10 : 2,785,123.35 = 911,057.70 : x
  2. Step 2: Convert to fraction form
    1,857,008.10/2,785,123.35 = 911,057.70/x
  3. Step 3: Cross multiply
    1,857,008.10x = 2,785,123.35 × 911,057.70
  4. Step 4: Simplify right side
    1,857,008.10x = 2,537,408,073,467.30
  5. Step 5: Solve for x
    x = 2,537,408,073,467.30/1,857,008.10
  6. Step 6: Final answer
    x = 1,366,395.80

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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.