Home / 1,867,931.10-2,801,896.65-1,684,879.20

Finding the Fourth Proportional to 1,867,931.10, 2,801,896.65 and 1,684,879.20

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Solution

The fourth proportional to 1,867,931.10, 2,801,896.65 and 1,684,879.20 is: 2,527,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,931.10 : 2,801,896.65 = 1,684,879.20 : x
  2. Step 2: Convert to fraction form
    1,867,931.10/2,801,896.65 = 1,684,879.20/x
  3. Step 3: Cross multiply
    1,867,931.10x = 2,801,896.65 × 1,684,879.20
  4. Step 4: Simplify right side
    1,867,931.10x = 4,720,857,386,134.68
  5. Step 5: Solve for x
    x = 4,720,857,386,134.68/1,867,931.10
  6. Step 6: Final answer
    x = 2,527,318.80

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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.