Home / 2,804,345.20-4,198,223.40-2,640,300.40

Finding the Fourth Proportional to 2,804,345.20, 4,198,223.40 and 2,640,300.40

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Solution

The fourth proportional to 2,804,345.20, 4,198,223.40 and 2,640,300.40 is: 3,952,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,345.20 : 4,198,223.40 = 2,640,300.40 : x
  2. Step 2: Convert to fraction form
    2,804,345.20/4,198,223.40 = 2,640,300.40/x
  3. Step 3: Cross multiply
    2,804,345.20x = 4,198,223.40 × 2,640,300.40
  4. Step 4: Simplify right side
    2,804,345.20x = 11,084,570,922,309.36
  5. Step 5: Solve for x
    x = 11,084,570,922,309.36/2,804,345.20
  6. Step 6: Final answer
    x = 3,952,641.39

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1.5x scale

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.