Home / 3,438,153.47-4,744,779.84-2,061,721.28

Finding the Fourth Proportional to 3,438,153.47, 4,744,779.84 and 2,061,721.28

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Solution

The fourth proportional to 3,438,153.47, 4,744,779.84 and 2,061,721.28 is: 2,845,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,153.47 : 4,744,779.84 = 2,061,721.28 : x
  2. Step 2: Convert to fraction form
    3,438,153.47/4,744,779.84 = 2,061,721.28/x
  3. Step 3: Cross multiply
    3,438,153.47x = 4,744,779.84 × 2,061,721.28
  4. Step 4: Simplify right side
    3,438,153.47x = 9,782,413,576,904.95
  5. Step 5: Solve for x
    x = 9,782,413,576,904.95/3,438,153.47
  6. Step 6: Final answer
    x = 2,845,252.16

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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.