Home / 6,678,471.28-9,209,319.96-3,961,692.40

Finding the Fourth Proportional to 6,678,471.28, 9,209,319.96 and 3,961,692.40

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Solution

The fourth proportional to 6,678,471.28, 9,209,319.96 and 3,961,692.40 is: 5,463,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,471.28 : 9,209,319.96 = 3,961,692.40 : x
  2. Step 2: Convert to fraction form
    6,678,471.28/9,209,319.96 = 3,961,692.40/x
  3. Step 3: Cross multiply
    6,678,471.28x = 9,209,319.96 × 3,961,692.40
  4. Step 4: Simplify right side
    6,678,471.28x = 36,484,492,894,700.30
  5. Step 5: Solve for x
    x = 36,484,492,894,700.30/6,678,471.28
  6. Step 6: Final answer
    x = 5,463,000.64

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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.