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Finding the Fourth Proportional to 4,682,155.56, 7,023,795.57 and 1,648,894.08

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Solution

The fourth proportional to 4,682,155.56, 7,023,795.57 and 1,648,894.08 is: 2,473,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682,155.56 : 7,023,795.57 = 1,648,894.08 : x
  2. Step 2: Convert to fraction form
    4,682,155.56/7,023,795.57 = 1,648,894.08/x
  3. Step 3: Cross multiply
    4,682,155.56x = 7,023,795.57 × 1,648,894.08
  4. Step 4: Simplify right side
    4,682,155.56x = 11,581,494,934,503.23
  5. Step 5: Solve for x
    x = 11,581,494,934,503.23/4,682,155.56
  6. Step 6: Final answer
    x = 2,473,539.12

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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.