Home / 3,312,638.78-4,571,414.01-1,862,340.66

Finding the Fourth Proportional to 3,312,638.78, 4,571,414.01 and 1,862,340.66

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Solution

The fourth proportional to 3,312,638.78, 4,571,414.01 and 1,862,340.66 is: 2,570,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,638.78 : 4,571,414.01 = 1,862,340.66 : x
  2. Step 2: Convert to fraction form
    3,312,638.78/4,571,414.01 = 1,862,340.66/x
  3. Step 3: Cross multiply
    3,312,638.78x = 4,571,414.01 × 1,862,340.66
  4. Step 4: Simplify right side
    3,312,638.78x = 8,513,530,184,516.65
  5. Step 5: Solve for x
    x = 8,513,530,184,516.65/3,312,638.78
  6. Step 6: Final answer
    x = 2,570,014.65

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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.