Home / 2,148,742.40-2,965,685.73-1,231,586.27

Finding the Fourth Proportional to 2,148,742.40, 2,965,685.73 and 1,231,586.27

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Solution

The fourth proportional to 2,148,742.40, 2,965,685.73 and 1,231,586.27 is: 1,699,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,742.40 : 2,965,685.73 = 1,231,586.27 : x
  2. Step 2: Convert to fraction form
    2,148,742.40/2,965,685.73 = 1,231,586.27/x
  3. Step 3: Cross multiply
    2,148,742.40x = 2,965,685.73 × 1,231,586.27
  4. Step 4: Simplify right side
    2,148,742.40x = 3,652,497,811,374.50
  5. Step 5: Solve for x
    x = 3,652,497,811,374.50/2,148,742.40
  6. Step 6: Final answer
    x = 1,699,830.47

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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.