Home / 3,839,643.45-5,758,415.40-1,443,303.81

Finding the Fourth Proportional to 3,839,643.45, 5,758,415.40 and 1,443,303.81

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Solution

The fourth proportional to 3,839,643.45, 5,758,415.40 and 1,443,303.81 is: 2,164,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,643.45 : 5,758,415.40 = 1,443,303.81 : x
  2. Step 2: Convert to fraction form
    3,839,643.45/5,758,415.40 = 1,443,303.81/x
  3. Step 3: Cross multiply
    3,839,643.45x = 5,758,415.40 × 1,443,303.81
  4. Step 4: Simplify right side
    3,839,643.45x = 8,311,142,886,382.68
  5. Step 5: Solve for x
    x = 8,311,142,886,382.68/3,839,643.45
  6. Step 6: Final answer
    x = 2,164,561.11

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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.