Home / 2,158,055.65-3,236,825.16-1,678,762.30

Finding the Fourth Proportional to 2,158,055.65, 3,236,825.16 and 1,678,762.30

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Solution

The fourth proportional to 2,158,055.65, 3,236,825.16 and 1,678,762.30 is: 2,517,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,055.65 : 3,236,825.16 = 1,678,762.30 : x
  2. Step 2: Convert to fraction form
    2,158,055.65/3,236,825.16 = 1,678,762.30/x
  3. Step 3: Cross multiply
    2,158,055.65x = 3,236,825.16 × 1,678,762.30
  4. Step 4: Simplify right side
    2,158,055.65x = 5,433,860,050,299.47
  5. Step 5: Solve for x
    x = 5,433,860,050,299.47/2,158,055.65
  6. Step 6: Final answer
    x = 2,517,942.51

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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.