Home / 1,778,081.10-2,667,121.65-1,689,507.60

Finding the Fourth Proportional to 1,778,081.10, 2,667,121.65 and 1,689,507.60

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Solution

The fourth proportional to 1,778,081.10, 2,667,121.65 and 1,689,507.60 is: 2,534,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,081.10 : 2,667,121.65 = 1,689,507.60 : x
  2. Step 2: Convert to fraction form
    1,778,081.10/2,667,121.65 = 1,689,507.60/x
  3. Step 3: Cross multiply
    1,778,081.10x = 2,667,121.65 × 1,689,507.60
  4. Step 4: Simplify right side
    1,778,081.10x = 4,506,122,297,799.54
  5. Step 5: Solve for x
    x = 4,506,122,297,799.54/1,778,081.10
  6. Step 6: Final answer
    x = 2,534,261.40

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Similar ratio
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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.