Home / 1,904,934.77-2,857,290.86-1,393,118.32

Finding the Fourth Proportional to 1,904,934.77, 2,857,290.86 and 1,393,118.32

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Solution

The fourth proportional to 1,904,934.77, 2,857,290.86 and 1,393,118.32 is: 2,089,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,934.77 : 2,857,290.86 = 1,393,118.32 : x
  2. Step 2: Convert to fraction form
    1,904,934.77/2,857,290.86 = 1,393,118.32/x
  3. Step 3: Cross multiply
    1,904,934.77x = 2,857,290.86 × 1,393,118.32
  4. Step 4: Simplify right side
    1,904,934.77x = 3,980,544,238,974.12
  5. Step 5: Solve for x
    x = 3,980,544,238,974.12/1,904,934.77
  6. Step 6: Final answer
    x = 2,089,596.08

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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.