Home / 5,186,821.10-7,780,231.65-2,635,904.30

Finding the Fourth Proportional to 5,186,821.10, 7,780,231.65 and 2,635,904.30

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Solution

The fourth proportional to 5,186,821.10, 7,780,231.65 and 2,635,904.30 is: 3,953,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,821.10 : 7,780,231.65 = 2,635,904.30 : x
  2. Step 2: Convert to fraction form
    5,186,821.10/7,780,231.65 = 2,635,904.30/x
  3. Step 3: Cross multiply
    5,186,821.10x = 7,780,231.65 × 2,635,904.30
  4. Step 4: Simplify right side
    5,186,821.10x = 20,507,946,061,231.09
  5. Step 5: Solve for x
    x = 20,507,946,061,231.09/5,186,821.10
  6. Step 6: Final answer
    x = 3,953,856.45

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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.