Home / 1,778,390.76-2,667,582.15-1,374,170.79

Finding the Fourth Proportional to 1,778,390.76, 2,667,582.15 and 1,374,170.79

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Solution

The fourth proportional to 1,778,390.76, 2,667,582.15 and 1,374,170.79 is: 2,061,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,390.76 : 2,667,582.15 = 1,374,170.79 : x
  2. Step 2: Convert to fraction form
    1,778,390.76/2,667,582.15 = 1,374,170.79/x
  3. Step 3: Cross multiply
    1,778,390.76x = 2,667,582.15 × 1,374,170.79
  4. Step 4: Simplify right side
    1,778,390.76x = 3,665,713,470,455.40
  5. Step 5: Solve for x
    x = 3,665,713,470,455.40/1,778,390.76
  6. Step 6: Final answer
    x = 2,061,253.10

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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.