Home / 2,805,889.42-3,872,125.56-1,516,729.78

Finding the Fourth Proportional to 2,805,889.42, 3,872,125.56 and 1,516,729.78

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Solution

The fourth proportional to 2,805,889.42, 3,872,125.56 and 1,516,729.78 is: 2,093,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,889.42 : 3,872,125.56 = 1,516,729.78 : x
  2. Step 2: Convert to fraction form
    2,805,889.42/3,872,125.56 = 1,516,729.78/x
  3. Step 3: Cross multiply
    2,805,889.42x = 3,872,125.56 × 1,516,729.78
  4. Step 4: Simplify right side
    2,805,889.42x = 5,872,968,148,751.18
  5. Step 5: Solve for x
    x = 5,872,968,148,751.18/2,805,889.42
  6. Step 6: Final answer
    x = 2,093,086.10

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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.