Home / 3,146,120.14-4,719,281.66-871,666.47

Finding the Fourth Proportional to 3,146,120.14, 4,719,281.66 and 871,666.47

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Solution

The fourth proportional to 3,146,120.14, 4,719,281.66 and 871,666.47 is: 1,307,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,120.14 : 4,719,281.66 = 871,666.47 : x
  2. Step 2: Convert to fraction form
    3,146,120.14/4,719,281.66 = 871,666.47/x
  3. Step 3: Cross multiply
    3,146,120.14x = 4,719,281.66 × 871,666.47
  4. Step 4: Simplify right side
    3,146,120.14x = 4,113,639,585,507.94
  5. Step 5: Solve for x
    x = 4,113,639,585,507.94/3,146,120.14
  6. Step 6: Final answer
    x = 1,307,527.81

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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.