Home / 2,268,640.78-3,130,684.70-1,236,157.22

Finding the Fourth Proportional to 2,268,640.78, 3,130,684.70 and 1,236,157.22

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Solution

The fourth proportional to 2,268,640.78, 3,130,684.70 and 1,236,157.22 is: 1,705,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,640.78 : 3,130,684.70 = 1,236,157.22 : x
  2. Step 2: Convert to fraction form
    2,268,640.78/3,130,684.70 = 1,236,157.22/x
  3. Step 3: Cross multiply
    2,268,640.78x = 3,130,684.70 × 1,236,157.22
  4. Step 4: Simplify right side
    2,268,640.78x = 3,870,018,506,365.64
  5. Step 5: Solve for x
    x = 3,870,018,506,365.64/2,268,640.78
  6. Step 6: Final answer
    x = 1,705,875.41

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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.