Home / 1,490,147.10-2,232,924.30-1,109,281.05

Finding the Fourth Proportional to 1,490,147.10, 2,232,924.30 and 1,109,281.05

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Solution

The fourth proportional to 1,490,147.10, 2,232,924.30 and 1,109,281.05 is: 1,662,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,147.10 : 2,232,924.30 = 1,109,281.05 : x
  2. Step 2: Convert to fraction form
    1,490,147.10/2,232,924.30 = 1,109,281.05/x
  3. Step 3: Cross multiply
    1,490,147.10x = 2,232,924.30 × 1,109,281.05
  4. Step 4: Simplify right side
    1,490,147.10x = 2,476,940,612,074.52
  5. Step 5: Solve for x
    x = 2,476,940,612,074.52/1,490,147.10
  6. Step 6: Final answer
    x = 1,662,212.15

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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.