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Finding the Fourth Proportional to 2,799,203.58, 4,199,471.63 and 905,945.02

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Solution

The fourth proportional to 2,799,203.58, 4,199,471.63 and 905,945.02 is: 1,359,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,203.58 : 4,199,471.63 = 905,945.02 : x
  2. Step 2: Convert to fraction form
    2,799,203.58/4,199,471.63 = 905,945.02/x
  3. Step 3: Cross multiply
    2,799,203.58x = 4,199,471.63 × 905,945.02
  4. Step 4: Simplify right side
    2,799,203.58x = 3,804,490,409,829.78
  5. Step 5: Solve for x
    x = 3,804,490,409,829.78/2,799,203.58
  6. Step 6: Final answer
    x = 1,359,133.16

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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.