Home / 2,815,168.40-3,888,160.47-1,852,595.58

Finding the Fourth Proportional to 2,815,168.40, 3,888,160.47 and 1,852,595.58

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Solution

The fourth proportional to 2,815,168.40, 3,888,160.47 and 1,852,595.58 is: 2,558,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,168.40 : 3,888,160.47 = 1,852,595.58 : x
  2. Step 2: Convert to fraction form
    2,815,168.40/3,888,160.47 = 1,852,595.58/x
  3. Step 3: Cross multiply
    2,815,168.40x = 3,888,160.47 × 1,852,595.58
  4. Step 4: Simplify right side
    2,815,168.40x = 7,203,188,901,052.72
  5. Step 5: Solve for x
    x = 7,203,188,901,052.72/2,815,168.40
  6. Step 6: Final answer
    x = 2,558,706.23

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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.