Home / 3,180,718.31-4,389,410.34-1,730,424.12

Finding the Fourth Proportional to 3,180,718.31, 4,389,410.34 and 1,730,424.12

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Solution

The fourth proportional to 3,180,718.31, 4,389,410.34 and 1,730,424.12 is: 2,387,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,718.31 : 4,389,410.34 = 1,730,424.12 : x
  2. Step 2: Convert to fraction form
    3,180,718.31/4,389,410.34 = 1,730,424.12/x
  3. Step 3: Cross multiply
    3,180,718.31x = 4,389,410.34 × 1,730,424.12
  4. Step 4: Simplify right side
    3,180,718.31x = 7,595,541,524,913.40
  5. Step 5: Solve for x
    x = 7,595,541,524,913.40/3,180,718.31
  6. Step 6: Final answer
    x = 2,387,995.67

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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.