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Finding the Fourth Proportional to 2,799,207.16, 4,199,477.06 and 905,948.60

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Solution

The fourth proportional to 2,799,207.16, 4,199,477.06 and 905,948.60 is: 1,359,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,207.16 : 4,199,477.06 = 905,948.60 : x
  2. Step 2: Convert to fraction form
    2,799,207.16/4,199,477.06 = 905,948.60/x
  3. Step 3: Cross multiply
    2,799,207.16x = 4,199,477.06 × 905,948.60
  4. Step 4: Simplify right side
    2,799,207.16x = 3,804,510,344,506.60
  5. Step 5: Solve for x
    x = 3,804,510,344,506.60/2,799,207.16
  6. Step 6: Final answer
    x = 1,359,138.55

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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.