Home / 2,057,445.28-2,839,297.31-1,139,688.46

Finding the Fourth Proportional to 2,057,445.28, 2,839,297.31 and 1,139,688.46

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Solution

The fourth proportional to 2,057,445.28, 2,839,297.31 and 1,139,688.46 is: 1,572,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,445.28 : 2,839,297.31 = 1,139,688.46 : x
  2. Step 2: Convert to fraction form
    2,057,445.28/2,839,297.31 = 1,139,688.46/x
  3. Step 3: Cross multiply
    2,057,445.28x = 2,839,297.31 × 1,139,688.46
  4. Step 4: Simplify right side
    2,057,445.28x = 3,235,914,378,716.04
  5. Step 5: Solve for x
    x = 3,235,914,378,716.04/2,057,445.28
  6. Step 6: Final answer
    x = 1,572,782.72

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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.