Home / 2,916,095.40-4,373,638.74-1,318,286.88

Finding the Fourth Proportional to 2,916,095.40, 4,373,638.74 and 1,318,286.88

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Solution

The fourth proportional to 2,916,095.40, 4,373,638.74 and 1,318,286.88 is: 1,977,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,095.40 : 4,373,638.74 = 1,318,286.88 : x
  2. Step 2: Convert to fraction form
    2,916,095.40/4,373,638.74 = 1,318,286.88/x
  3. Step 3: Cross multiply
    2,916,095.40x = 4,373,638.74 × 1,318,286.88
  4. Step 4: Simplify right side
    2,916,095.40x = 5,765,710,568,801.73
  5. Step 5: Solve for x
    x = 5,765,710,568,801.73/2,916,095.40
  6. Step 6: Final answer
    x = 1,977,202.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.