Home / 2,716,525.40-3,744,059.82-1,989,828.68

Finding the Fourth Proportional to 2,716,525.40, 3,744,059.82 and 1,989,828.68

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Solution

The fourth proportional to 2,716,525.40, 3,744,059.82 and 1,989,828.68 is: 2,742,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,525.40 : 3,744,059.82 = 1,989,828.68 : x
  2. Step 2: Convert to fraction form
    2,716,525.40/3,744,059.82 = 1,989,828.68/x
  3. Step 3: Cross multiply
    2,716,525.40x = 3,744,059.82 × 1,989,828.68
  4. Step 4: Simplify right side
    2,716,525.40x = 7,450,037,609,471.64
  5. Step 5: Solve for x
    x = 7,450,037,609,471.64/2,716,525.40
  6. Step 6: Final answer
    x = 2,742,487.74

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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.