Home / 5,186,855.70-7,780,904.43-1,592,151.54

Finding the Fourth Proportional to 5,186,855.70, 7,780,904.43 and 1,592,151.54

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Solution

The fourth proportional to 5,186,855.70, 7,780,904.43 and 1,592,151.54 is: 2,388,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,855.70 : 7,780,904.43 = 1,592,151.54 : x
  2. Step 2: Convert to fraction form
    5,186,855.70/7,780,904.43 = 1,592,151.54/x
  3. Step 3: Cross multiply
    5,186,855.70x = 7,780,904.43 × 1,592,151.54
  4. Step 4: Simplify right side
    5,186,855.70x = 12,388,378,970,817.32
  5. Step 5: Solve for x
    x = 12,388,378,970,817.32/5,186,855.70
  6. Step 6: Final answer
    x = 2,388,417.89

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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.