Home / 2,178,896.48-3,006,900.20-1,198,848.38

Finding the Fourth Proportional to 2,178,896.48, 3,006,900.20 and 1,198,848.38

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Solution

The fourth proportional to 2,178,896.48, 3,006,900.20 and 1,198,848.38 is: 1,654,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,896.48 : 3,006,900.20 = 1,198,848.38 : x
  2. Step 2: Convert to fraction form
    2,178,896.48/3,006,900.20 = 1,198,848.38/x
  3. Step 3: Cross multiply
    2,178,896.48x = 3,006,900.20 × 1,198,848.38
  4. Step 4: Simplify right side
    2,178,896.48x = 3,604,817,433,591.68
  5. Step 5: Solve for x
    x = 3,604,817,433,591.68/2,178,896.48
  6. Step 6: Final answer
    x = 1,654,423.45

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1.5x scale

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.