Home / 1,907,904.60-2,632,333.86-1,143,679.32

Finding the Fourth Proportional to 1,907,904.60, 2,632,333.86 and 1,143,679.32

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Solution

The fourth proportional to 1,907,904.60, 2,632,333.86 and 1,143,679.32 is: 1,577,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,904.60 : 2,632,333.86 = 1,143,679.32 : x
  2. Step 2: Convert to fraction form
    1,907,904.60/2,632,333.86 = 1,143,679.32/x
  3. Step 3: Cross multiply
    1,907,904.60x = 2,632,333.86 × 1,143,679.32
  4. Step 4: Simplify right side
    1,907,904.60x = 3,010,545,799,017.78
  5. Step 5: Solve for x
    x = 3,010,545,799,017.78/1,907,904.60
  6. Step 6: Final answer
    x = 1,577,933.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.