Home / 2,810,527.28-3,878,301.74-1,587,130.44

Finding the Fourth Proportional to 2,810,527.28, 3,878,301.74 and 1,587,130.44

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Solution

The fourth proportional to 2,810,527.28, 3,878,301.74 and 1,587,130.44 is: 2,190,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,527.28 : 3,878,301.74 = 1,587,130.44 : x
  2. Step 2: Convert to fraction form
    2,810,527.28/3,878,301.74 = 1,587,130.44/x
  3. Step 3: Cross multiply
    2,810,527.28x = 3,878,301.74 × 1,587,130.44
  4. Step 4: Simplify right side
    2,810,527.28x = 6,155,370,747,058.97
  5. Step 5: Solve for x
    x = 6,155,370,747,058.97/2,810,527.28
  6. Step 6: Final answer
    x = 2,190,112.44

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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.