Home / 2,509,837.65-3,762,124.79-1,228,678.47

Finding the Fourth Proportional to 2,509,837.65, 3,762,124.79 and 1,228,678.47

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Solution

The fourth proportional to 2,509,837.65, 3,762,124.79 and 1,228,678.47 is: 1,841,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,837.65 : 3,762,124.79 = 1,228,678.47 : x
  2. Step 2: Convert to fraction form
    2,509,837.65/3,762,124.79 = 1,228,678.47/x
  3. Step 3: Cross multiply
    2,509,837.65x = 3,762,124.79 × 1,228,678.47
  4. Step 4: Simplify right side
    2,509,837.65x = 4,622,441,724,782.88
  5. Step 5: Solve for x
    x = 4,622,441,724,782.88/2,509,837.65
  6. Step 6: Final answer
    x = 1,841,729.37

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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.