Home / 2,756,770.86-4,135,415.58-811,500.70

Finding the Fourth Proportional to 2,756,770.86, 4,135,415.58 and 811,500.70

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Solution

The fourth proportional to 2,756,770.86, 4,135,415.58 and 811,500.70 is: 1,217,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,770.86 : 4,135,415.58 = 811,500.70 : x
  2. Step 2: Convert to fraction form
    2,756,770.86/4,135,415.58 = 811,500.70/x
  3. Step 3: Cross multiply
    2,756,770.86x = 4,135,415.58 × 811,500.70
  4. Step 4: Simplify right side
    2,756,770.86x = 3,355,892,637,960.91
  5. Step 5: Solve for x
    x = 3,355,892,637,960.91/2,756,770.86
  6. Step 6: Final answer
    x = 1,217,327.38

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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.