Home / 2,986,928.55-4,121,893-1,825,370.26

Finding the Fourth Proportional to 2,986,928.55, 4,121,893 and 1,825,370.26

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Solution

The fourth proportional to 2,986,928.55, 4,121,893 and 1,825,370.26 is: 2,518,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,928.55 : 4,121,893 = 1,825,370.26 : x
  2. Step 2: Convert to fraction form
    2,986,928.55/4,121,893 = 1,825,370.26/x
  3. Step 3: Cross multiply
    2,986,928.55x = 4,121,893 × 1,825,370.26
  4. Step 4: Simplify right side
    2,986,928.55x = 7,523,980,897,102.18
  5. Step 5: Solve for x
    x = 7,523,980,897,102.18/2,986,928.55
  6. Step 6: Final answer
    x = 2,518,969.16

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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.