Home / 5,578,100.42-7,697,778.44-3,130,711.47

Finding the Fourth Proportional to 5,578,100.42, 7,697,778.44 and 3,130,711.47

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Solution

The fourth proportional to 5,578,100.42, 7,697,778.44 and 3,130,711.47 is: 4,320,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,100.42 : 7,697,778.44 = 3,130,711.47 : x
  2. Step 2: Convert to fraction form
    5,578,100.42/7,697,778.44 = 3,130,711.47/x
  3. Step 3: Cross multiply
    5,578,100.42x = 7,697,778.44 × 3,130,711.47
  4. Step 4: Simplify right side
    5,578,100.42x = 24,099,523,239,973.15
  5. Step 5: Solve for x
    x = 24,099,523,239,973.15/5,578,100.42
  6. Step 6: Final answer
    x = 4,320,381.75

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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.