Home / 2,812,420.32-4,218,829.14-1,392,095.04

Finding the Fourth Proportional to 2,812,420.32, 4,218,829.14 and 1,392,095.04

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Solution

The fourth proportional to 2,812,420.32, 4,218,829.14 and 1,392,095.04 is: 2,088,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,420.32 : 4,218,829.14 = 1,392,095.04 : x
  2. Step 2: Convert to fraction form
    2,812,420.32/4,218,829.14 = 1,392,095.04/x
  3. Step 3: Cross multiply
    2,812,420.32x = 4,218,829.14 × 1,392,095.04
  4. Step 4: Simplify right side
    2,812,420.32x = 5,873,011,120,401.47
  5. Step 5: Solve for x
    x = 5,873,011,120,401.47/2,812,420.32
  6. Step 6: Final answer
    x = 2,088,240.89

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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.