Home / 5,078,384.45-7,006,814.87-3,011,681.75

Finding the Fourth Proportional to 5,078,384.45, 7,006,814.87 and 3,011,681.75

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Solution

The fourth proportional to 5,078,384.45, 7,006,814.87 and 3,011,681.75 is: 4,155,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,384.45 : 7,006,814.87 = 3,011,681.75 : x
  2. Step 2: Convert to fraction form
    5,078,384.45/7,006,814.87 = 3,011,681.75/x
  3. Step 3: Cross multiply
    5,078,384.45x = 7,006,814.87 × 3,011,681.75
  4. Step 4: Simplify right side
    5,078,384.45x = 21,102,296,469,607.62
  5. Step 5: Solve for x
    x = 21,102,296,469,607.62/5,078,384.45
  6. Step 6: Final answer
    x = 4,155,316.85

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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.