Home / 3,623,089.86-4,999,762.53-1,991,500.38

Finding the Fourth Proportional to 3,623,089.86, 4,999,762.53 and 1,991,500.38

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Solution

The fourth proportional to 3,623,089.86, 4,999,762.53 and 1,991,500.38 is: 2,748,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,089.86 : 4,999,762.53 = 1,991,500.38 : x
  2. Step 2: Convert to fraction form
    3,623,089.86/4,999,762.53 = 1,991,500.38/x
  3. Step 3: Cross multiply
    3,623,089.86x = 4,999,762.53 × 1,991,500.38
  4. Step 4: Simplify right side
    3,623,089.86x = 9,957,028,978,404.76
  5. Step 5: Solve for x
    x = 9,957,028,978,404.76/3,623,089.86
  6. Step 6: Final answer
    x = 2,748,214.75

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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.