Home / 2,175,921-3,004,583.80-1,815,235.52

Finding the Fourth Proportional to 2,175,921, 3,004,583.80 and 1,815,235.52

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Solution

The fourth proportional to 2,175,921, 3,004,583.80 and 1,815,235.52 is: 2,506,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,921 : 3,004,583.80 = 1,815,235.52 : x
  2. Step 2: Convert to fraction form
    2,175,921/3,004,583.80 = 1,815,235.52/x
  3. Step 3: Cross multiply
    2,175,921x = 3,004,583.80 × 1,815,235.52
  4. Step 4: Simplify right side
    2,175,921x = 5,454,027,236,576.58
  5. Step 5: Solve for x
    x = 5,454,027,236,576.58/2,175,921
  6. Step 6: Final answer
    x = 2,506,537.34

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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.