Home / 1,511,118.04-2,255,621.42-1,331,762.44

Finding the Fourth Proportional to 1,511,118.04, 2,255,621.42 and 1,331,762.44

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Solution

The fourth proportional to 1,511,118.04, 2,255,621.42 and 1,331,762.44 is: 1,987,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,118.04 : 2,255,621.42 = 1,331,762.44 : x
  2. Step 2: Convert to fraction form
    1,511,118.04/2,255,621.42 = 1,331,762.44/x
  3. Step 3: Cross multiply
    1,511,118.04x = 2,255,621.42 × 1,331,762.44
  4. Step 4: Simplify right side
    1,511,118.04x = 3,003,951,886,015.46
  5. Step 5: Solve for x
    x = 3,003,951,886,015.46/1,511,118.04
  6. Step 6: Final answer
    x = 1,987,900.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.