Home / 1,478,949.36-2,212,587.15-1,120,154.04

Finding the Fourth Proportional to 1,478,949.36, 2,212,587.15 and 1,120,154.04

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Solution

The fourth proportional to 1,478,949.36, 2,212,587.15 and 1,120,154.04 is: 1,675,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,949.36 : 2,212,587.15 = 1,120,154.04 : x
  2. Step 2: Convert to fraction form
    1,478,949.36/2,212,587.15 = 1,120,154.04/x
  3. Step 3: Cross multiply
    1,478,949.36x = 2,212,587.15 × 1,120,154.04
  4. Step 4: Simplify right side
    1,478,949.36x = 2,478,438,434,924.59
  5. Step 5: Solve for x
    x = 2,478,438,434,924.59/1,478,949.36
  6. Step 6: Final answer
    x = 1,675,810.21

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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.