Home / 5,186,856.70-7,780,905.93-1,592,152.54

Finding the Fourth Proportional to 5,186,856.70, 7,780,905.93 and 1,592,152.54

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Solution

The fourth proportional to 5,186,856.70, 7,780,905.93 and 1,592,152.54 is: 2,388,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,856.70 : 7,780,905.93 = 1,592,152.54 : x
  2. Step 2: Convert to fraction form
    5,186,856.70/7,780,905.93 = 1,592,152.54/x
  3. Step 3: Cross multiply
    5,186,856.70x = 7,780,905.93 × 1,592,152.54
  4. Step 4: Simplify right side
    5,186,856.70x = 12,388,389,139,950.56
  5. Step 5: Solve for x
    x = 12,388,389,139,950.56/5,186,856.70
  6. Step 6: Final answer
    x = 2,388,419.39

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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.