Home / 6,439,928.31-8,887,204.73-3,686,604.66

Finding the Fourth Proportional to 6,439,928.31, 8,887,204.73 and 3,686,604.66

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Solution

The fourth proportional to 6,439,928.31, 8,887,204.73 and 3,686,604.66 is: 5,087,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,928.31 : 8,887,204.73 = 3,686,604.66 : x
  2. Step 2: Convert to fraction form
    6,439,928.31/8,887,204.73 = 3,686,604.66/x
  3. Step 3: Cross multiply
    6,439,928.31x = 8,887,204.73 × 3,686,604.66
  4. Step 4: Simplify right side
    6,439,928.31x = 32,763,610,353,559.02
  5. Step 5: Solve for x
    x = 32,763,610,353,559.02/6,439,928.31
  6. Step 6: Final answer
    x = 5,087,573.77

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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.