Home / 2,077,990.60-3,118,954.20-1,280,829.10

Finding the Fourth Proportional to 2,077,990.60, 3,118,954.20 and 1,280,829.10

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Solution

The fourth proportional to 2,077,990.60, 3,118,954.20 and 1,280,829.10 is: 1,922,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,990.60 : 3,118,954.20 = 1,280,829.10 : x
  2. Step 2: Convert to fraction form
    2,077,990.60/3,118,954.20 = 1,280,829.10/x
  3. Step 3: Cross multiply
    2,077,990.60x = 3,118,954.20 × 1,280,829.10
  4. Step 4: Simplify right side
    2,077,990.60x = 3,994,847,300,927.22
  5. Step 5: Solve for x
    x = 3,994,847,300,927.22/2,077,990.60
  6. Step 6: Final answer
    x = 1,922,456.87

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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.