Home / 1,962,031.36-2,707,621.14-1,187,680

Finding the Fourth Proportional to 1,962,031.36, 2,707,621.14 and 1,187,680

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Solution

The fourth proportional to 1,962,031.36, 2,707,621.14 and 1,187,680 is: 1,639,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,031.36 : 2,707,621.14 = 1,187,680 : x
  2. Step 2: Convert to fraction form
    1,962,031.36/2,707,621.14 = 1,187,680/x
  3. Step 3: Cross multiply
    1,962,031.36x = 2,707,621.14 × 1,187,680
  4. Step 4: Simplify right side
    1,962,031.36x = 3,215,787,475,555.20
  5. Step 5: Solve for x
    x = 3,215,787,475,555.20/1,962,031.36
  6. Step 6: Final answer
    x = 1,639,009.21

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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.