Home / 3,407,679.49-5,112,465.01-1,892,426.51

Finding the Fourth Proportional to 3,407,679.49, 5,112,465.01 and 1,892,426.51

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Solution

The fourth proportional to 3,407,679.49, 5,112,465.01 and 1,892,426.51 is: 2,839,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,679.49 : 5,112,465.01 = 1,892,426.51 : x
  2. Step 2: Convert to fraction form
    3,407,679.49/5,112,465.01 = 1,892,426.51/x
  3. Step 3: Cross multiply
    3,407,679.49x = 5,112,465.01 × 1,892,426.51
  4. Step 4: Simplify right side
    3,407,679.49x = 9,674,964,316,371.41
  5. Step 5: Solve for x
    x = 9,674,964,316,371.41/3,407,679.49
  6. Step 6: Final answer
    x = 2,839,164.99

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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.