Home / 1,900,743.02-2,851,540.02-638,536.22

Finding the Fourth Proportional to 1,900,743.02, 2,851,540.02 and 638,536.22

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Solution

The fourth proportional to 1,900,743.02, 2,851,540.02 and 638,536.22 is: 957,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,743.02 : 2,851,540.02 = 638,536.22 : x
  2. Step 2: Convert to fraction form
    1,900,743.02/2,851,540.02 = 638,536.22/x
  3. Step 3: Cross multiply
    1,900,743.02x = 2,851,540.02 × 638,536.22
  4. Step 4: Simplify right side
    1,900,743.02x = 1,820,811,585,549.52
  5. Step 5: Solve for x
    x = 1,820,811,585,549.52/1,900,743.02
  6. Step 6: Final answer
    x = 957,947.27

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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.