Home / 6,820,220.49-9,410,499.30-3,919,050.86

Finding the Fourth Proportional to 6,820,220.49, 9,410,499.30 and 3,919,050.86

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Solution

The fourth proportional to 6,820,220.49, 9,410,499.30 and 3,919,050.86 is: 5,407,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,220.49 : 9,410,499.30 = 3,919,050.86 : x
  2. Step 2: Convert to fraction form
    6,820,220.49/9,410,499.30 = 3,919,050.86/x
  3. Step 3: Cross multiply
    6,820,220.49x = 9,410,499.30 × 3,919,050.86
  4. Step 4: Simplify right side
    6,820,220.49x = 36,880,225,330,771.79
  5. Step 5: Solve for x
    x = 36,880,225,330,771.79/6,820,220.49
  6. Step 6: Final answer
    x = 5,407,482.85

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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.