Home / 2,108,868.60-3,163,302.90-971,628.60

Finding the Fourth Proportional to 2,108,868.60, 3,163,302.90 and 971,628.60

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Solution

The fourth proportional to 2,108,868.60, 3,163,302.90 and 971,628.60 is: 1,457,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,868.60 : 3,163,302.90 = 971,628.60 : x
  2. Step 2: Convert to fraction form
    2,108,868.60/3,163,302.90 = 971,628.60/x
  3. Step 3: Cross multiply
    2,108,868.60x = 3,163,302.90 × 971,628.60
  4. Step 4: Simplify right side
    2,108,868.60x = 3,073,555,568,102.94
  5. Step 5: Solve for x
    x = 3,073,555,568,102.94/2,108,868.60
  6. Step 6: Final answer
    x = 1,457,442.90

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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.