Home / 1,966,567.20-2,713,913.47-1,107,158.21

Finding the Fourth Proportional to 1,966,567.20, 2,713,913.47 and 1,107,158.21

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Solution

The fourth proportional to 1,966,567.20, 2,713,913.47 and 1,107,158.21 is: 1,527,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,567.20 : 2,713,913.47 = 1,107,158.21 : x
  2. Step 2: Convert to fraction form
    1,966,567.20/2,713,913.47 = 1,107,158.21/x
  3. Step 3: Cross multiply
    1,966,567.20x = 2,713,913.47 × 1,107,158.21
  4. Step 4: Simplify right side
    1,966,567.20x = 3,004,731,579,540.09
  5. Step 5: Solve for x
    x = 3,004,731,579,540.09/1,966,567.20
  6. Step 6: Final answer
    x = 1,527,906.89

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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.