Home / 1,975,074.36-2,963,208.96-1,399,810.32

Finding the Fourth Proportional to 1,975,074.36, 2,963,208.96 and 1,399,810.32

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Solution

The fourth proportional to 1,975,074.36, 2,963,208.96 and 1,399,810.32 is: 2,100,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,074.36 : 2,963,208.96 = 1,399,810.32 : x
  2. Step 2: Convert to fraction form
    1,975,074.36/2,963,208.96 = 1,399,810.32/x
  3. Step 3: Cross multiply
    1,975,074.36x = 2,963,208.96 × 1,399,810.32
  4. Step 4: Simplify right side
    1,975,074.36x = 4,147,930,482,524.47
  5. Step 5: Solve for x
    x = 4,147,930,482,524.47/1,975,074.36
  6. Step 6: Final answer
    x = 2,100,138.89

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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.