Home / 3,843,447.84-5,300,521.74-3,189,036.96

Finding the Fourth Proportional to 3,843,447.84, 5,300,521.74 and 3,189,036.96

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Solution

The fourth proportional to 3,843,447.84, 5,300,521.74 and 3,189,036.96 is: 4,398,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,447.84 : 5,300,521.74 = 3,189,036.96 : x
  2. Step 2: Convert to fraction form
    3,843,447.84/5,300,521.74 = 3,189,036.96/x
  3. Step 3: Cross multiply
    3,843,447.84x = 5,300,521.74 × 3,189,036.96
  4. Step 4: Simplify right side
    3,843,447.84x = 16,903,559,736,143.51
  5. Step 5: Solve for x
    x = 16,903,559,736,143.51/3,843,447.84
  6. Step 6: Final answer
    x = 4,398,019.81

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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.