Home / 3,228,745-4,455,668.10-1,871,405.32

Finding the Fourth Proportional to 3,228,745, 4,455,668.10 and 1,871,405.32

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Solution

The fourth proportional to 3,228,745, 4,455,668.10 and 1,871,405.32 is: 2,582,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,745 : 4,455,668.10 = 1,871,405.32 : x
  2. Step 2: Convert to fraction form
    3,228,745/4,455,668.10 = 1,871,405.32/x
  3. Step 3: Cross multiply
    3,228,745x = 4,455,668.10 × 1,871,405.32
  4. Step 4: Simplify right side
    3,228,745x = 8,338,360,986,494.29
  5. Step 5: Solve for x
    x = 8,338,360,986,494.29/3,228,745
  6. Step 6: Final answer
    x = 2,582,539.34

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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.