Home / 5,328,031.80-7,992,047.70-1,961,801.40

Finding the Fourth Proportional to 5,328,031.80, 7,992,047.70 and 1,961,801.40

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Solution

The fourth proportional to 5,328,031.80, 7,992,047.70 and 1,961,801.40 is: 2,942,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,031.80 : 7,992,047.70 = 1,961,801.40 : x
  2. Step 2: Convert to fraction form
    5,328,031.80/7,992,047.70 = 1,961,801.40/x
  3. Step 3: Cross multiply
    5,328,031.80x = 7,992,047.70 × 1,961,801.40
  4. Step 4: Simplify right side
    5,328,031.80x = 15,678,810,366,726.78
  5. Step 5: Solve for x
    x = 15,678,810,366,726.78/5,328,031.80
  6. Step 6: Final answer
    x = 2,942,702.10

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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.