Home / 2,115,038.20-3,168,708.18-1,888,290.04

Finding the Fourth Proportional to 2,115,038.20, 3,168,708.18 and 1,888,290.04

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Solution

The fourth proportional to 2,115,038.20, 3,168,708.18 and 1,888,290.04 is: 2,828,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,038.20 : 3,168,708.18 = 1,888,290.04 : x
  2. Step 2: Convert to fraction form
    2,115,038.20/3,168,708.18 = 1,888,290.04/x
  3. Step 3: Cross multiply
    2,115,038.20x = 3,168,708.18 × 1,888,290.04
  4. Step 4: Simplify right side
    2,115,038.20x = 5,983,440,095,960.53
  5. Step 5: Solve for x
    x = 5,983,440,095,960.53/2,115,038.20
  6. Step 6: Final answer
    x = 2,828,998.59

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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.