Home / 5,355,745.21-7,390,981.99-2,908,377.39

Finding the Fourth Proportional to 5,355,745.21, 7,390,981.99 and 2,908,377.39

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Solution

The fourth proportional to 5,355,745.21, 7,390,981.99 and 2,908,377.39 is: 4,013,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,745.21 : 7,390,981.99 = 2,908,377.39 : x
  2. Step 2: Convert to fraction form
    5,355,745.21/7,390,981.99 = 2,908,377.39/x
  3. Step 3: Cross multiply
    5,355,745.21x = 7,390,981.99 × 2,908,377.39
  4. Step 4: Simplify right side
    5,355,745.21x = 21,495,764,940,964.86
  5. Step 5: Solve for x
    x = 21,495,764,940,964.86/5,355,745.21
  6. Step 6: Final answer
    x = 4,013,589.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.