Home / 3,186,823.69-4,397,679-1,810,163.08

Finding the Fourth Proportional to 3,186,823.69, 4,397,679 and 1,810,163.08

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Solution

The fourth proportional to 3,186,823.69, 4,397,679 and 1,810,163.08 is: 2,497,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,823.69 : 4,397,679 = 1,810,163.08 : x
  2. Step 2: Convert to fraction form
    3,186,823.69/4,397,679 = 1,810,163.08/x
  3. Step 3: Cross multiply
    3,186,823.69x = 4,397,679 × 1,810,163.08
  4. Step 4: Simplify right side
    3,186,823.69x = 7,960,516,163,491.32
  5. Step 5: Solve for x
    x = 7,960,516,163,491.32/3,186,823.69
  6. Step 6: Final answer
    x = 2,497,946.84

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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.