Home / 2,861,990.31-4,285,899.54-2,102,029.68

Finding the Fourth Proportional to 2,861,990.31, 4,285,899.54 and 2,102,029.68

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Solution

The fourth proportional to 2,861,990.31, 4,285,899.54 and 2,102,029.68 is: 3,147,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,990.31 : 4,285,899.54 = 2,102,029.68 : x
  2. Step 2: Convert to fraction form
    2,861,990.31/4,285,899.54 = 2,102,029.68/x
  3. Step 3: Cross multiply
    2,861,990.31x = 4,285,899.54 × 2,102,029.68
  4. Step 4: Simplify right side
    2,861,990.31x = 9,009,088,038,578.35
  5. Step 5: Solve for x
    x = 9,009,088,038,578.35/2,861,990.31
  6. Step 6: Final answer
    x = 3,147,840.16

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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.