Home / 3,107,143.80-4,654,942.02-1,688,393.16

Finding the Fourth Proportional to 3,107,143.80, 4,654,942.02 and 1,688,393.16

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Solution

The fourth proportional to 3,107,143.80, 4,654,942.02 and 1,688,393.16 is: 2,529,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,143.80 : 4,654,942.02 = 1,688,393.16 : x
  2. Step 2: Convert to fraction form
    3,107,143.80/4,654,942.02 = 1,688,393.16/x
  3. Step 3: Cross multiply
    3,107,143.80x = 4,654,942.02 × 1,688,393.16
  4. Step 4: Simplify right side
    3,107,143.80x = 7,859,372,266,764.58
  5. Step 5: Solve for x
    x = 7,859,372,266,764.58/3,107,143.80
  6. Step 6: Final answer
    x = 2,529,452.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.