Home / 3,407,678.49-5,112,463.51-1,892,425.51

Finding the Fourth Proportional to 3,407,678.49, 5,112,463.51 and 1,892,425.51

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Solution

The fourth proportional to 3,407,678.49, 5,112,463.51 and 1,892,425.51 is: 2,839,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,678.49 : 5,112,463.51 = 1,892,425.51 : x
  2. Step 2: Convert to fraction form
    3,407,678.49/5,112,463.51 = 1,892,425.51/x
  3. Step 3: Cross multiply
    3,407,678.49x = 5,112,463.51 × 1,892,425.51
  4. Step 4: Simplify right side
    3,407,678.49x = 9,674,956,368,701.81
  5. Step 5: Solve for x
    x = 9,674,956,368,701.81/3,407,678.49
  6. Step 6: Final answer
    x = 2,839,163.50

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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.