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Finding the Fourth Proportional to 3,068,659.30, 4,602,822.04 and 938,743.40

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Solution

The fourth proportional to 3,068,659.30, 4,602,822.04 and 938,743.40 is: 1,408,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068,659.30 : 4,602,822.04 = 938,743.40 : x
  2. Step 2: Convert to fraction form
    3,068,659.30/4,602,822.04 = 938,743.40/x
  3. Step 3: Cross multiply
    3,068,659.30x = 4,602,822.04 × 938,743.40
  4. Step 4: Simplify right side
    3,068,659.30x = 4,320,868,811,424.54
  5. Step 5: Solve for x
    x = 4,320,868,811,424.54/3,068,659.30
  6. Step 6: Final answer
    x = 1,408,064.04

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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.