Home / 5,181,225.20-7,771,837.80-1,635,369.20

Finding the Fourth Proportional to 5,181,225.20, 7,771,837.80 and 1,635,369.20

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Solution

The fourth proportional to 5,181,225.20, 7,771,837.80 and 1,635,369.20 is: 2,453,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,225.20 : 7,771,837.80 = 1,635,369.20 : x
  2. Step 2: Convert to fraction form
    5,181,225.20/7,771,837.80 = 1,635,369.20/x
  3. Step 3: Cross multiply
    5,181,225.20x = 7,771,837.80 × 1,635,369.20
  4. Step 4: Simplify right side
    5,181,225.20x = 12,709,824,165,515.76
  5. Step 5: Solve for x
    x = 12,709,824,165,515.76/5,181,225.20
  6. Step 6: Final answer
    x = 2,453,053.80

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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.