Home / 2,812,362.57-4,218,742.53-1,392,037.29

Finding the Fourth Proportional to 2,812,362.57, 4,218,742.53 and 1,392,037.29

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Solution

The fourth proportional to 2,812,362.57, 4,218,742.53 and 1,392,037.29 is: 2,088,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,362.57 : 4,218,742.53 = 1,392,037.29 : x
  2. Step 2: Convert to fraction form
    2,812,362.57/4,218,742.53 = 1,392,037.29/x
  3. Step 3: Cross multiply
    2,812,362.57x = 4,218,742.53 × 1,392,037.29
  4. Step 4: Simplify right side
    2,812,362.57x = 5,872,646,918,668.94
  5. Step 5: Solve for x
    x = 5,872,646,918,668.94/2,812,362.57
  6. Step 6: Final answer
    x = 2,088,154.27

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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.