Home / 2,172,043.35-2,986,790.76-1,885,065.21

Finding the Fourth Proportional to 2,172,043.35, 2,986,790.76 and 1,885,065.21

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Solution

The fourth proportional to 2,172,043.35, 2,986,790.76 and 1,885,065.21 is: 2,592,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,043.35 : 2,986,790.76 = 1,885,065.21 : x
  2. Step 2: Convert to fraction form
    2,172,043.35/2,986,790.76 = 1,885,065.21/x
  3. Step 3: Cross multiply
    2,172,043.35x = 2,986,790.76 × 1,885,065.21
  4. Step 4: Simplify right side
    2,172,043.35x = 5,630,295,351,225.46
  5. Step 5: Solve for x
    x = 5,630,295,351,225.46/2,172,043.35
  6. Step 6: Final answer
    x = 2,592,165.28

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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.