Home / 4,939,887.81-6,813,881.91-3,962,172.84

Finding the Fourth Proportional to 4,939,887.81, 6,813,881.91 and 3,962,172.84

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Solution

The fourth proportional to 4,939,887.81, 6,813,881.91 and 3,962,172.84 is: 5,465,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,887.81 : 6,813,881.91 = 3,962,172.84 : x
  2. Step 2: Convert to fraction form
    4,939,887.81/6,813,881.91 = 3,962,172.84/x
  3. Step 3: Cross multiply
    4,939,887.81x = 6,813,881.91 × 3,962,172.84
  4. Step 4: Simplify right side
    4,939,887.81x = 26,997,777,838,769.32
  5. Step 5: Solve for x
    x = 26,997,777,838,769.32/4,939,887.81
  6. Step 6: Final answer
    x = 5,465,261.33

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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.