Home / 3,114,415.80-4,672,279.80-984,715.20

Finding the Fourth Proportional to 3,114,415.80, 4,672,279.80 and 984,715.20

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Solution

The fourth proportional to 3,114,415.80, 4,672,279.80 and 984,715.20 is: 1,477,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,415.80 : 4,672,279.80 = 984,715.20 : x
  2. Step 2: Convert to fraction form
    3,114,415.80/4,672,279.80 = 984,715.20/x
  3. Step 3: Cross multiply
    3,114,415.80x = 4,672,279.80 × 984,715.20
  4. Step 4: Simplify right side
    3,114,415.80x = 4,600,864,937,712.96
  5. Step 5: Solve for x
    x = 4,600,864,937,712.96/3,114,415.80
  6. Step 6: Final answer
    x = 1,477,280.25

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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.