Home / 2,129,688.37-3,192,666.31-800,925.49

Finding the Fourth Proportional to 2,129,688.37, 3,192,666.31 and 800,925.49

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Solution

The fourth proportional to 2,129,688.37, 3,192,666.31 and 800,925.49 is: 1,200,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,688.37 : 3,192,666.31 = 800,925.49 : x
  2. Step 2: Convert to fraction form
    2,129,688.37/3,192,666.31 = 800,925.49/x
  3. Step 3: Cross multiply
    2,129,688.37x = 3,192,666.31 × 800,925.49
  4. Step 4: Simplify right side
    2,129,688.37x = 2,557,087,828,743.24
  5. Step 5: Solve for x
    x = 2,557,087,828,743.24/2,129,688.37
  6. Step 6: Final answer
    x = 1,200,686.38

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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.