Home / 3,690,648.72-5,092,979.76-2,163,772.80

Finding the Fourth Proportional to 3,690,648.72, 5,092,979.76 and 2,163,772.80

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Solution

The fourth proportional to 3,690,648.72, 5,092,979.76 and 2,163,772.80 is: 2,985,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,648.72 : 5,092,979.76 = 2,163,772.80 : x
  2. Step 2: Convert to fraction form
    3,690,648.72/5,092,979.76 = 2,163,772.80/x
  3. Step 3: Cross multiply
    3,690,648.72x = 5,092,979.76 × 2,163,772.80
  4. Step 4: Simplify right side
    3,690,648.72x = 11,020,051,075,638.53
  5. Step 5: Solve for x
    x = 11,020,051,075,638.53/3,690,648.72
  6. Step 6: Final answer
    x = 2,985,938.76

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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.