Home / 6,978,784.50-10,468,176.75-1,930,095

Finding the Fourth Proportional to 6,978,784.50, 10,468,176.75 and 1,930,095

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Solution

The fourth proportional to 6,978,784.50, 10,468,176.75 and 1,930,095 is: 2,895,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,784.50 : 10,468,176.75 = 1,930,095 : x
  2. Step 2: Convert to fraction form
    6,978,784.50/10,468,176.75 = 1,930,095/x
  3. Step 3: Cross multiply
    6,978,784.50x = 10,468,176.75 × 1,930,095
  4. Step 4: Simplify right side
    6,978,784.50x = 20,204,575,604,291.25
  5. Step 5: Solve for x
    x = 20,204,575,604,291.25/6,978,784.50
  6. Step 6: Final answer
    x = 2,895,142.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.