Home / 3,134,624.78-4,326,255.03-1,911,639.74

Finding the Fourth Proportional to 3,134,624.78, 4,326,255.03 and 1,911,639.74

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Solution

The fourth proportional to 3,134,624.78, 4,326,255.03 and 1,911,639.74 is: 2,638,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,624.78 : 4,326,255.03 = 1,911,639.74 : x
  2. Step 2: Convert to fraction form
    3,134,624.78/4,326,255.03 = 1,911,639.74/x
  3. Step 3: Cross multiply
    3,134,624.78x = 4,326,255.03 × 1,911,639.74
  4. Step 4: Simplify right side
    3,134,624.78x = 8,270,241,019,091.62
  5. Step 5: Solve for x
    x = 8,270,241,019,091.62/3,134,624.78
  6. Step 6: Final answer
    x = 2,638,351.19

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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.