Home / 1,967,538.76-2,716,457.14-1,605,825.43

Finding the Fourth Proportional to 1,967,538.76, 2,716,457.14 and 1,605,825.43

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Solution

The fourth proportional to 1,967,538.76, 2,716,457.14 and 1,605,825.43 is: 2,217,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,538.76 : 2,716,457.14 = 1,605,825.43 : x
  2. Step 2: Convert to fraction form
    1,967,538.76/2,716,457.14 = 1,605,825.43/x
  3. Step 3: Cross multiply
    1,967,538.76x = 2,716,457.14 × 1,605,825.43
  4. Step 4: Simplify right side
    1,967,538.76x = 4,362,155,952,140.49
  5. Step 5: Solve for x
    x = 4,362,155,952,140.49/1,967,538.76
  6. Step 6: Final answer
    x = 2,217,062.27

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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.