Home / 2,973,199.92-4,102,650-1,811,224.40

Finding the Fourth Proportional to 2,973,199.92, 4,102,650 and 1,811,224.40

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Solution

The fourth proportional to 2,973,199.92, 4,102,650 and 1,811,224.40 is: 2,499,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973,199.92 : 4,102,650 = 1,811,224.40 : x
  2. Step 2: Convert to fraction form
    2,973,199.92/4,102,650 = 1,811,224.40/x
  3. Step 3: Cross multiply
    2,973,199.92x = 4,102,650 × 1,811,224.40
  4. Step 4: Simplify right side
    2,973,199.92x = 7,430,819,784,660
  5. Step 5: Solve for x
    x = 7,430,819,784,660/2,973,199.92
  6. Step 6: Final answer
    x = 2,499,266.78

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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.