Home / 3,162,784.37-4,364,644.49-1,712,480.78

Finding the Fourth Proportional to 3,162,784.37, 4,364,644.49 and 1,712,480.78

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Solution

The fourth proportional to 3,162,784.37, 4,364,644.49 and 1,712,480.78 is: 2,363,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,784.37 : 4,364,644.49 = 1,712,480.78 : x
  2. Step 2: Convert to fraction form
    3,162,784.37/4,364,644.49 = 1,712,480.78/x
  3. Step 3: Cross multiply
    3,162,784.37x = 4,364,644.49 × 1,712,480.78
  4. Step 4: Simplify right side
    3,162,784.37x = 7,474,369,809,428.91
  5. Step 5: Solve for x
    x = 7,474,369,809,428.91/3,162,784.37
  6. Step 6: Final answer
    x = 2,363,224.60

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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.