Home / 4,013,702.27-5,538,923.63-2,178,160.15

Finding the Fourth Proportional to 4,013,702.27, 5,538,923.63 and 2,178,160.15

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Solution

The fourth proportional to 4,013,702.27, 5,538,923.63 and 2,178,160.15 is: 3,005,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,702.27 : 5,538,923.63 = 2,178,160.15 : x
  2. Step 2: Convert to fraction form
    4,013,702.27/5,538,923.63 = 2,178,160.15/x
  3. Step 3: Cross multiply
    4,013,702.27x = 5,538,923.63 × 2,178,160.15
  4. Step 4: Simplify right side
    4,013,702.27x = 12,064,662,713,868.54
  5. Step 5: Solve for x
    x = 12,064,662,713,868.54/4,013,702.27
  6. Step 6: Final answer
    x = 3,005,868.87

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Double scale
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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.