Home / 1,858,082.10-2,787,123.15-1,663,220.40

Finding the Fourth Proportional to 1,858,082.10, 2,787,123.15 and 1,663,220.40

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Solution

The fourth proportional to 1,858,082.10, 2,787,123.15 and 1,663,220.40 is: 2,494,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,082.10 : 2,787,123.15 = 1,663,220.40 : x
  2. Step 2: Convert to fraction form
    1,858,082.10/2,787,123.15 = 1,663,220.40/x
  3. Step 3: Cross multiply
    1,858,082.10x = 2,787,123.15 × 1,663,220.40
  4. Step 4: Simplify right side
    1,858,082.10x = 4,635,600,080,392.26
  5. Step 5: Solve for x
    x = 4,635,600,080,392.26/1,858,082.10
  6. Step 6: Final answer
    x = 2,494,830.60

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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.