Home / 3,143,832.61-4,338,948.45-1,767,289.70

Finding the Fourth Proportional to 3,143,832.61, 4,338,948.45 and 1,767,289.70

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Solution

The fourth proportional to 3,143,832.61, 4,338,948.45 and 1,767,289.70 is: 2,439,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,832.61 : 4,338,948.45 = 1,767,289.70 : x
  2. Step 2: Convert to fraction form
    3,143,832.61/4,338,948.45 = 1,767,289.70/x
  3. Step 3: Cross multiply
    3,143,832.61x = 4,338,948.45 × 1,767,289.70
  4. Step 4: Simplify right side
    3,143,832.61x = 7,668,178,904,515.97
  5. Step 5: Solve for x
    x = 7,668,178,904,515.97/3,143,832.61
  6. Step 6: Final answer
    x = 2,439,118.06

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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.