Home / 6,288,887.79-8,678,973.02-3,536,441.78

Finding the Fourth Proportional to 6,288,887.79, 8,678,973.02 and 3,536,441.78

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Solution

The fourth proportional to 6,288,887.79, 8,678,973.02 and 3,536,441.78 is: 4,880,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,887.79 : 8,678,973.02 = 3,536,441.78 : x
  2. Step 2: Convert to fraction form
    6,288,887.79/8,678,973.02 = 3,536,441.78/x
  3. Step 3: Cross multiply
    6,288,887.79x = 8,678,973.02 × 3,536,441.78
  4. Step 4: Simplify right side
    6,288,887.79x = 30,692,682,734,343.70
  5. Step 5: Solve for x
    x = 30,692,682,734,343.70/6,288,887.79
  6. Step 6: Final answer
    x = 4,880,462.77

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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.