Home / 5,355,776.69-7,391,025.39-2,908,408.87

Finding the Fourth Proportional to 5,355,776.69, 7,391,025.39 and 2,908,408.87

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Solution

The fourth proportional to 5,355,776.69, 7,391,025.39 and 2,908,408.87 is: 4,013,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,776.69 : 7,391,025.39 = 2,908,408.87 : x
  2. Step 2: Convert to fraction form
    5,355,776.69/7,391,025.39 = 2,908,408.87/x
  3. Step 3: Cross multiply
    5,355,776.69x = 7,391,025.39 × 2,908,408.87
  4. Step 4: Simplify right side
    5,355,776.69x = 21,496,123,802,671.21
  5. Step 5: Solve for x
    x = 21,496,123,802,671.21/5,355,776.69
  6. Step 6: Final answer
    x = 4,013,633.32

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1.5x scale

Why These Related Problems?

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