Home / 2,711,140.56-4,066,489.44-913,985.28

Finding the Fourth Proportional to 2,711,140.56, 4,066,489.44 and 913,985.28

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Solution

The fourth proportional to 2,711,140.56, 4,066,489.44 and 913,985.28 is: 1,370,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,140.56 : 4,066,489.44 = 913,985.28 : x
  2. Step 2: Convert to fraction form
    2,711,140.56/4,066,489.44 = 913,985.28/x
  3. Step 3: Cross multiply
    2,711,140.56x = 4,066,489.44 × 913,985.28
  4. Step 4: Simplify right side
    2,711,140.56x = 3,716,711,489,435.44
  5. Step 5: Solve for x
    x = 3,716,711,489,435.44/2,711,140.56
  6. Step 6: Final answer
    x = 1,370,903.28

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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.