Home / 1,907,862.85-2,632,276.60-1,143,637.57

Finding the Fourth Proportional to 1,907,862.85, 2,632,276.60 and 1,143,637.57

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Solution

The fourth proportional to 1,907,862.85, 2,632,276.60 and 1,143,637.57 is: 1,577,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,862.85 : 2,632,276.60 = 1,143,637.57 : x
  2. Step 2: Convert to fraction form
    1,907,862.85/2,632,276.60 = 1,143,637.57/x
  3. Step 3: Cross multiply
    1,907,862.85x = 2,632,276.60 × 1,143,637.57
  4. Step 4: Simplify right side
    1,907,862.85x = 3,010,370,414,391.86
  5. Step 5: Solve for x
    x = 3,010,370,414,391.86/1,907,862.85
  6. Step 6: Final answer
    x = 1,577,875.69

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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.