Home / 5,646,994.86-7,789,984.36-3,688,019.50

Finding the Fourth Proportional to 5,646,994.86, 7,789,984.36 and 3,688,019.50

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Solution

The fourth proportional to 5,646,994.86, 7,789,984.36 and 3,688,019.50 is: 5,087,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646,994.86 : 7,789,984.36 = 3,688,019.50 : x
  2. Step 2: Convert to fraction form
    5,646,994.86/7,789,984.36 = 3,688,019.50/x
  3. Step 3: Cross multiply
    5,646,994.86x = 7,789,984.36 × 3,688,019.50
  4. Step 4: Simplify right side
    5,646,994.86x = 28,729,614,224,375.02
  5. Step 5: Solve for x
    x = 28,729,614,224,375.02/5,646,994.86
  6. Step 6: Final answer
    x = 5,087,593.48

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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.