Home / 2,128,051.70-3,192,466.35-866,006.90

Finding the Fourth Proportional to 2,128,051.70, 3,192,466.35 and 866,006.90

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Solution

The fourth proportional to 2,128,051.70, 3,192,466.35 and 866,006.90 is: 1,299,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,051.70 : 3,192,466.35 = 866,006.90 : x
  2. Step 2: Convert to fraction form
    2,128,051.70/3,192,466.35 = 866,006.90/x
  3. Step 3: Cross multiply
    2,128,051.70x = 3,192,466.35 × 866,006.90
  4. Step 4: Simplify right side
    2,128,051.70x = 2,764,697,887,117.82
  5. Step 5: Solve for x
    x = 2,764,697,887,117.82/2,128,051.70
  6. Step 6: Final answer
    x = 1,299,168.57

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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.