Home / 3,028,279.81-4,178,278.55-1,787,919.10

Finding the Fourth Proportional to 3,028,279.81, 4,178,278.55 and 1,787,919.10

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Solution

The fourth proportional to 3,028,279.81, 4,178,278.55 and 1,787,919.10 is: 2,466,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028,279.81 : 4,178,278.55 = 1,787,919.10 : x
  2. Step 2: Convert to fraction form
    3,028,279.81/4,178,278.55 = 1,787,919.10/x
  3. Step 3: Cross multiply
    3,028,279.81x = 4,178,278.55 × 1,787,919.10
  4. Step 4: Simplify right side
    3,028,279.81x = 7,470,424,013,209.46
  5. Step 5: Solve for x
    x = 7,470,424,013,209.46/3,028,279.81
  6. Step 6: Final answer
    x = 2,466,886.97

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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.