Home / 2,879,719.26-3,973,988.88-1,572,972.18

Finding the Fourth Proportional to 2,879,719.26, 3,973,988.88 and 1,572,972.18

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Solution

The fourth proportional to 2,879,719.26, 3,973,988.88 and 1,572,972.18 is: 2,170,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,719.26 : 3,973,988.88 = 1,572,972.18 : x
  2. Step 2: Convert to fraction form
    2,879,719.26/3,973,988.88 = 1,572,972.18/x
  3. Step 3: Cross multiply
    2,879,719.26x = 3,973,988.88 × 1,572,972.18
  4. Step 4: Simplify right side
    2,879,719.26x = 6,250,973,951,869.36
  5. Step 5: Solve for x
    x = 6,250,973,951,869.36/2,879,719.26
  6. Step 6: Final answer
    x = 2,170,688.66

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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.