Home / 3,486,834.42-5,230,303.81-1,327,978.76

Finding the Fourth Proportional to 3,486,834.42, 5,230,303.81 and 1,327,978.76

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Solution

The fourth proportional to 3,486,834.42, 5,230,303.81 and 1,327,978.76 is: 1,991,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,834.42 : 5,230,303.81 = 1,327,978.76 : x
  2. Step 2: Convert to fraction form
    3,486,834.42/5,230,303.81 = 1,327,978.76/x
  3. Step 3: Cross multiply
    3,486,834.42x = 5,230,303.81 × 1,327,978.76
  4. Step 4: Simplify right side
    3,486,834.42x = 6,945,732,372,127.98
  5. Step 5: Solve for x
    x = 6,945,732,372,127.98/3,486,834.42
  6. Step 6: Final answer
    x = 1,991,988.01

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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.