Home / 2,500,139.40-3,450,758.49-1,413,041.55

Finding the Fourth Proportional to 2,500,139.40, 3,450,758.49 and 1,413,041.55

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Solution

The fourth proportional to 2,500,139.40, 3,450,758.49 and 1,413,041.55 is: 1,950,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,139.40 : 3,450,758.49 = 1,413,041.55 : x
  2. Step 2: Convert to fraction form
    2,500,139.40/3,450,758.49 = 1,413,041.55/x
  3. Step 3: Cross multiply
    2,500,139.40x = 3,450,758.49 × 1,413,041.55
  4. Step 4: Simplify right side
    2,500,139.40x = 4,876,065,125,385.26
  5. Step 5: Solve for x
    x = 4,876,065,125,385.26/2,500,139.40
  6. Step 6: Final answer
    x = 1,950,317.30

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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.