Home / 3,168,777.79-4,372,795.27-1,878,846.31

Finding the Fourth Proportional to 3,168,777.79, 4,372,795.27 and 1,878,846.31

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Solution

The fourth proportional to 3,168,777.79, 4,372,795.27 and 1,878,846.31 is: 2,592,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,777.79 : 4,372,795.27 = 1,878,846.31 : x
  2. Step 2: Convert to fraction form
    3,168,777.79/4,372,795.27 = 1,878,846.31/x
  3. Step 3: Cross multiply
    3,168,777.79x = 4,372,795.27 × 1,878,846.31
  4. Step 4: Simplify right side
    3,168,777.79x = 8,215,810,257,424.95
  5. Step 5: Solve for x
    x = 8,215,810,257,424.95/3,168,777.79
  6. Step 6: Final answer
    x = 2,592,737.90

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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.