Home / 2,289,867.51-3,159,873.44-1,257,368.06

Finding the Fourth Proportional to 2,289,867.51, 3,159,873.44 and 1,257,368.06

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Solution

The fourth proportional to 2,289,867.51, 3,159,873.44 and 1,257,368.06 is: 1,735,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,867.51 : 3,159,873.44 = 1,257,368.06 : x
  2. Step 2: Convert to fraction form
    2,289,867.51/3,159,873.44 = 1,257,368.06/x
  3. Step 3: Cross multiply
    2,289,867.51x = 3,159,873.44 × 1,257,368.06
  4. Step 4: Simplify right side
    2,289,867.51x = 3,973,123,943,426.30
  5. Step 5: Solve for x
    x = 3,973,123,943,426.30/2,289,867.51
  6. Step 6: Final answer
    x = 1,735,089.01

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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.