Home / 2,135,284.60-2,946,604.80-1,276,318.48

Finding the Fourth Proportional to 2,135,284.60, 2,946,604.80 and 1,276,318.48

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Solution

The fourth proportional to 2,135,284.60, 2,946,604.80 and 1,276,318.48 is: 1,761,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,284.60 : 2,946,604.80 = 1,276,318.48 : x
  2. Step 2: Convert to fraction form
    2,135,284.60/2,946,604.80 = 1,276,318.48/x
  3. Step 3: Cross multiply
    2,135,284.60x = 2,946,604.80 × 1,276,318.48
  4. Step 4: Simplify right side
    2,135,284.60x = 3,760,806,159,496.70
  5. Step 5: Solve for x
    x = 3,760,806,159,496.70/2,135,284.60
  6. Step 6: Final answer
    x = 1,761,266.93

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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.