Home / 1,920,926.15-2,650,916.10-1,049,814.79

Finding the Fourth Proportional to 1,920,926.15, 2,650,916.10 and 1,049,814.79

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Solution

The fourth proportional to 1,920,926.15, 2,650,916.10 and 1,049,814.79 is: 1,448,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,926.15 : 2,650,916.10 = 1,049,814.79 : x
  2. Step 2: Convert to fraction form
    1,920,926.15/2,650,916.10 = 1,049,814.79/x
  3. Step 3: Cross multiply
    1,920,926.15x = 2,650,916.10 × 1,049,814.79
  4. Step 4: Simplify right side
    1,920,926.15x = 2,782,970,936,079.57
  5. Step 5: Solve for x
    x = 2,782,970,936,079.57/1,920,926.15
  6. Step 6: Final answer
    x = 1,448,765.19

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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.