Home / 2,129,684.64-2,938,942.51-1,162,811.94

Finding the Fourth Proportional to 2,129,684.64, 2,938,942.51 and 1,162,811.94

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Solution

The fourth proportional to 2,129,684.64, 2,938,942.51 and 1,162,811.94 is: 1,604,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,684.64 : 2,938,942.51 = 1,162,811.94 : x
  2. Step 2: Convert to fraction form
    2,129,684.64/2,938,942.51 = 1,162,811.94/x
  3. Step 3: Cross multiply
    2,129,684.64x = 2,938,942.51 × 1,162,811.94
  4. Step 4: Simplify right side
    2,129,684.64x = 3,417,437,441,601.57
  5. Step 5: Solve for x
    x = 3,417,437,441,601.57/2,129,684.64
  6. Step 6: Final answer
    x = 1,604,668.31

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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.