Home / 1,956,587.20-2,934,880.80-1,389,716.80

Finding the Fourth Proportional to 1,956,587.20, 2,934,880.80 and 1,389,716.80

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Solution

The fourth proportional to 1,956,587.20, 2,934,880.80 and 1,389,716.80 is: 2,084,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,587.20 : 2,934,880.80 = 1,389,716.80 : x
  2. Step 2: Convert to fraction form
    1,956,587.20/2,934,880.80 = 1,389,716.80/x
  3. Step 3: Cross multiply
    1,956,587.20x = 2,934,880.80 × 1,389,716.80
  4. Step 4: Simplify right side
    1,956,587.20x = 4,078,653,153,757.44
  5. Step 5: Solve for x
    x = 4,078,653,153,757.44/1,956,587.20
  6. Step 6: Final answer
    x = 2,084,575.20

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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.