Home / 2,078,004.10-3,118,974.45-1,280,842.60

Finding the Fourth Proportional to 2,078,004.10, 3,118,974.45 and 1,280,842.60

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Solution

The fourth proportional to 2,078,004.10, 3,118,974.45 and 1,280,842.60 is: 1,922,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,004.10 : 3,118,974.45 = 1,280,842.60 : x
  2. Step 2: Convert to fraction form
    2,078,004.10/3,118,974.45 = 1,280,842.60/x
  3. Step 3: Cross multiply
    2,078,004.10x = 3,118,974.45 × 1,280,842.60
  4. Step 4: Simplify right side
    2,078,004.10x = 3,994,915,343,871.57
  5. Step 5: Solve for x
    x = 3,994,915,343,871.57/2,078,004.10
  6. Step 6: Final answer
    x = 1,922,477.12

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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.