Home / 5,220,840.13-7,831,472.67-2,486,982.31

Finding the Fourth Proportional to 5,220,840.13, 7,831,472.67 and 2,486,982.31

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Solution

The fourth proportional to 5,220,840.13, 7,831,472.67 and 2,486,982.31 is: 3,730,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,840.13 : 7,831,472.67 = 2,486,982.31 : x
  2. Step 2: Convert to fraction form
    5,220,840.13/7,831,472.67 = 2,486,982.31/x
  3. Step 3: Cross multiply
    5,220,840.13x = 7,831,472.67 × 2,486,982.31
  4. Step 4: Simplify right side
    5,220,840.13x = 19,476,733,991,538.47
  5. Step 5: Solve for x
    x = 19,476,733,991,538.47/5,220,840.13
  6. Step 6: Final answer
    x = 3,730,574.68

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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.