Home / 1,536,818.47-2,120,812.42-848,491.66

Finding the Fourth Proportional to 1,536,818.47, 2,120,812.42 and 848,491.66

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Solution

The fourth proportional to 1,536,818.47, 2,120,812.42 and 848,491.66 is: 1,170,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,818.47 : 2,120,812.42 = 848,491.66 : x
  2. Step 2: Convert to fraction form
    1,536,818.47/2,120,812.42 = 848,491.66/x
  3. Step 3: Cross multiply
    1,536,818.47x = 2,120,812.42 × 848,491.66
  4. Step 4: Simplify right side
    1,536,818.47x = 1,799,491,640,985.56
  5. Step 5: Solve for x
    x = 1,799,491,640,985.56/1,536,818.47
  6. Step 6: Final answer
    x = 1,170,920.10

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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.