Home / 1,959,743.42-2,939,613.77-612,021.53

Finding the Fourth Proportional to 1,959,743.42, 2,939,613.77 and 612,021.53

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Solution

The fourth proportional to 1,959,743.42, 2,939,613.77 and 612,021.53 is: 918,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,743.42 : 2,939,613.77 = 612,021.53 : x
  2. Step 2: Convert to fraction form
    1,959,743.42/2,939,613.77 = 612,021.53/x
  3. Step 3: Cross multiply
    1,959,743.42x = 2,939,613.77 × 612,021.53
  4. Step 4: Simplify right side
    1,959,743.42x = 1,799,106,899,366.29
  5. Step 5: Solve for x
    x = 1,799,106,899,366.29/1,959,743.42
  6. Step 6: Final answer
    x = 918,031.86

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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.