Home / 6,379,338.72-8,803,700.04-3,478,888.32

Finding the Fourth Proportional to 6,379,338.72, 8,803,700.04 and 3,478,888.32

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Solution

The fourth proportional to 6,379,338.72, 8,803,700.04 and 3,478,888.32 is: 4,800,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,338.72 : 8,803,700.04 = 3,478,888.32 : x
  2. Step 2: Convert to fraction form
    6,379,338.72/8,803,700.04 = 3,478,888.32/x
  3. Step 3: Cross multiply
    6,379,338.72x = 8,803,700.04 × 3,478,888.32
  4. Step 4: Simplify right side
    6,379,338.72x = 30,627,089,241,939.53
  5. Step 5: Solve for x
    x = 30,627,089,241,939.53/6,379,338.72
  6. Step 6: Final answer
    x = 4,800,981.82

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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.