Home / 1,881,031.47-2,821,532.14-1,117,818.55

Finding the Fourth Proportional to 1,881,031.47, 2,821,532.14 and 1,117,818.55

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Solution

The fourth proportional to 1,881,031.47, 2,821,532.14 and 1,117,818.55 is: 1,676,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,031.47 : 2,821,532.14 = 1,117,818.55 : x
  2. Step 2: Convert to fraction form
    1,881,031.47/2,821,532.14 = 1,117,818.55/x
  3. Step 3: Cross multiply
    1,881,031.47x = 2,821,532.14 × 1,117,818.55
  4. Step 4: Simplify right side
    1,881,031.47x = 3,153,960,965,513.20
  5. Step 5: Solve for x
    x = 3,153,960,965,513.20/1,881,031.47
  6. Step 6: Final answer
    x = 1,676,718.87

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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.