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Finding the Fourth Proportional to 1,884,776.22, 2,827,151.37 and 762,829.02

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Solution

The fourth proportional to 1,884,776.22, 2,827,151.37 and 762,829.02 is: 1,144,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884,776.22 : 2,827,151.37 = 762,829.02 : x
  2. Step 2: Convert to fraction form
    1,884,776.22/2,827,151.37 = 762,829.02/x
  3. Step 3: Cross multiply
    1,884,776.22x = 2,827,151.37 × 762,829.02
  4. Step 4: Simplify right side
    1,884,776.22x = 2,156,633,108,968.76
  5. Step 5: Solve for x
    x = 2,156,633,108,968.76/1,884,776.22
  6. Step 6: Final answer
    x = 1,144,238.28

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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.