Home / 2,319,214.41-3,200,407.92-1,286,711.22

Finding the Fourth Proportional to 2,319,214.41, 3,200,407.92 and 1,286,711.22

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Solution

The fourth proportional to 2,319,214.41, 3,200,407.92 and 1,286,711.22 is: 1,775,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,214.41 : 3,200,407.92 = 1,286,711.22 : x
  2. Step 2: Convert to fraction form
    2,319,214.41/3,200,407.92 = 1,286,711.22/x
  3. Step 3: Cross multiply
    2,319,214.41x = 3,200,407.92 × 1,286,711.22
  4. Step 4: Simplify right side
    2,319,214.41x = 4,118,000,779,240.86
  5. Step 5: Solve for x
    x = 4,118,000,779,240.86/2,319,214.41
  6. Step 6: Final answer
    x = 1,775,601.58

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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.