Home / 3,833,681.76-5,290,451.28-2,114,874.72

Finding the Fourth Proportional to 3,833,681.76, 5,290,451.28 and 2,114,874.72

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Solution

The fourth proportional to 3,833,681.76, 5,290,451.28 and 2,114,874.72 is: 2,918,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833,681.76 : 5,290,451.28 = 2,114,874.72 : x
  2. Step 2: Convert to fraction form
    3,833,681.76/5,290,451.28 = 2,114,874.72/x
  3. Step 3: Cross multiply
    3,833,681.76x = 5,290,451.28 × 2,114,874.72
  4. Step 4: Simplify right side
    3,833,681.76x = 11,188,641,669,463.64
  5. Step 5: Solve for x
    x = 11,188,641,669,463.64/3,833,681.76
  6. Step 6: Final answer
    x = 2,918,510.81

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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.