Home / 5,151,526.86-7,728,595.20-3,638,166.60

Finding the Fourth Proportional to 5,151,526.86, 7,728,595.20 and 3,638,166.60

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Solution

The fourth proportional to 5,151,526.86, 7,728,595.20 and 3,638,166.60 is: 5,458,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,526.86 : 7,728,595.20 = 3,638,166.60 : x
  2. Step 2: Convert to fraction form
    5,151,526.86/7,728,595.20 = 3,638,166.60/x
  3. Step 3: Cross multiply
    5,151,526.86x = 7,728,595.20 × 3,638,166.60
  4. Step 4: Simplify right side
    5,151,526.86x = 28,117,916,921,560.32
  5. Step 5: Solve for x
    x = 28,117,916,921,560.32/5,151,526.86
  6. Step 6: Final answer
    x = 5,458,171.47

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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.