Home / 2,134,208.16-2,945,132.70-1,216,732.78

Finding the Fourth Proportional to 2,134,208.16, 2,945,132.70 and 1,216,732.78

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Solution

The fourth proportional to 2,134,208.16, 2,945,132.70 and 1,216,732.78 is: 1,679,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,208.16 : 2,945,132.70 = 1,216,732.78 : x
  2. Step 2: Convert to fraction form
    2,134,208.16/2,945,132.70 = 1,216,732.78/x
  3. Step 3: Cross multiply
    2,134,208.16x = 2,945,132.70 × 1,216,732.78
  4. Step 4: Simplify right side
    2,134,208.16x = 3,583,439,497,539.91
  5. Step 5: Solve for x
    x = 3,583,439,497,539.91/2,134,208.16
  6. Step 6: Final answer
    x = 1,679,048.73

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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.