Home / 2,078,166.60-3,117,347.10-658,333.80

Finding the Fourth Proportional to 2,078,166.60, 3,117,347.10 and 658,333.80

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Solution

The fourth proportional to 2,078,166.60, 3,117,347.10 and 658,333.80 is: 987,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,166.60 : 3,117,347.10 = 658,333.80 : x
  2. Step 2: Convert to fraction form
    2,078,166.60/3,117,347.10 = 658,333.80/x
  3. Step 3: Cross multiply
    2,078,166.60x = 3,117,347.10 × 658,333.80
  4. Step 4: Simplify right side
    2,078,166.60x = 2,052,254,962,261.98
  5. Step 5: Solve for x
    x = 2,052,254,962,261.98/2,078,166.60
  6. Step 6: Final answer
    x = 987,531.49

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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.