Home / 2,600,235.40-3,900,768.63-802,696.36

Finding the Fourth Proportional to 2,600,235.40, 3,900,768.63 and 802,696.36

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Solution

The fourth proportional to 2,600,235.40, 3,900,768.63 and 802,696.36 is: 1,204,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,235.40 : 3,900,768.63 = 802,696.36 : x
  2. Step 2: Convert to fraction form
    2,600,235.40/3,900,768.63 = 802,696.36/x
  3. Step 3: Cross multiply
    2,600,235.40x = 3,900,768.63 × 802,696.36
  4. Step 4: Simplify right side
    2,600,235.40x = 3,131,132,780,503.19
  5. Step 5: Solve for x
    x = 3,131,132,780,503.19/2,600,235.40
  6. Step 6: Final answer
    x = 1,204,172.81

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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.