Home / 3,105,429.86-4,289,080.06-2,071,140.60

Finding the Fourth Proportional to 3,105,429.86, 4,289,080.06 and 2,071,140.60

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Solution

The fourth proportional to 3,105,429.86, 4,289,080.06 and 2,071,140.60 is: 2,860,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,429.86 : 4,289,080.06 = 2,071,140.60 : x
  2. Step 2: Convert to fraction form
    3,105,429.86/4,289,080.06 = 2,071,140.60/x
  3. Step 3: Cross multiply
    3,105,429.86x = 4,289,080.06 × 2,071,140.60
  4. Step 4: Simplify right side
    3,105,429.86x = 8,883,287,855,939.25
  5. Step 5: Solve for x
    x = 8,883,287,855,939.25/3,105,429.86
  6. Step 6: Final answer
    x = 2,860,566.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.