Home / 3,146,119.89-4,719,281.29-871,666.22

Finding the Fourth Proportional to 3,146,119.89, 4,719,281.29 and 871,666.22

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Solution

The fourth proportional to 3,146,119.89, 4,719,281.29 and 871,666.22 is: 1,307,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,119.89 : 4,719,281.29 = 871,666.22 : x
  2. Step 2: Convert to fraction form
    3,146,119.89/4,719,281.29 = 871,666.22/x
  3. Step 3: Cross multiply
    3,146,119.89x = 4,719,281.29 × 871,666.22
  4. Step 4: Simplify right side
    3,146,119.89x = 4,113,638,057,395.45
  5. Step 5: Solve for x
    x = 4,113,638,057,395.45/3,146,119.89
  6. Step 6: Final answer
    x = 1,307,527.43

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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.