Home / 5,256,032.80-7,881,745.20-2,415,200.80

Finding the Fourth Proportional to 5,256,032.80, 7,881,745.20 and 2,415,200.80

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Solution

The fourth proportional to 5,256,032.80, 7,881,745.20 and 2,415,200.80 is: 3,621,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,032.80 : 7,881,745.20 = 2,415,200.80 : x
  2. Step 2: Convert to fraction form
    5,256,032.80/7,881,745.20 = 2,415,200.80/x
  3. Step 3: Cross multiply
    5,256,032.80x = 7,881,745.20 × 2,415,200.80
  4. Step 4: Simplify right side
    5,256,032.80x = 19,035,997,312,436.16
  5. Step 5: Solve for x
    x = 19,035,997,312,436.16/5,256,032.80
  6. Step 6: Final answer
    x = 3,621,742.49

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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.