Home / 2,641,176.81-3,963,116.31-1,257,876.71

Finding the Fourth Proportional to 2,641,176.81, 3,963,116.31 and 1,257,876.71

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Solution

The fourth proportional to 2,641,176.81, 3,963,116.31 and 1,257,876.71 is: 1,887,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,176.81 : 3,963,116.31 = 1,257,876.71 : x
  2. Step 2: Convert to fraction form
    2,641,176.81/3,963,116.31 = 1,257,876.71/x
  3. Step 3: Cross multiply
    2,641,176.81x = 3,963,116.31 × 1,257,876.71
  4. Step 4: Simplify right side
    2,641,176.81x = 4,985,111,717,704.23
  5. Step 5: Solve for x
    x = 4,985,111,717,704.23/2,641,176.81
  6. Step 6: Final answer
    x = 1,887,458.54

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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.