Home / 5,158,889.10-7,738,333.65-2,607,972.30

Finding the Fourth Proportional to 5,158,889.10, 7,738,333.65 and 2,607,972.30

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Solution

The fourth proportional to 5,158,889.10, 7,738,333.65 and 2,607,972.30 is: 3,911,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,889.10 : 7,738,333.65 = 2,607,972.30 : x
  2. Step 2: Convert to fraction form
    5,158,889.10/7,738,333.65 = 2,607,972.30/x
  3. Step 3: Cross multiply
    5,158,889.10x = 7,738,333.65 × 2,607,972.30
  4. Step 4: Simplify right side
    5,158,889.10x = 20,181,359,807,357.89
  5. Step 5: Solve for x
    x = 20,181,359,807,357.89/5,158,889.10
  6. Step 6: Final answer
    x = 3,911,958.45

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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.