Home / 4,781,138.40-7,171,707.60-1,788,933.60

Finding the Fourth Proportional to 4,781,138.40, 7,171,707.60 and 1,788,933.60

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Solution

The fourth proportional to 4,781,138.40, 7,171,707.60 and 1,788,933.60 is: 2,683,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,138.40 : 7,171,707.60 = 1,788,933.60 : x
  2. Step 2: Convert to fraction form
    4,781,138.40/7,171,707.60 = 1,788,933.60/x
  3. Step 3: Cross multiply
    4,781,138.40x = 7,171,707.60 × 1,788,933.60
  4. Step 4: Simplify right side
    4,781,138.40x = 12,829,708,695,015.36
  5. Step 5: Solve for x
    x = 12,829,708,695,015.36/4,781,138.40
  6. Step 6: Final answer
    x = 2,683,400.40

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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.