Home / 1,639,752.46-2,258,204.44-1,408,630.30

Finding the Fourth Proportional to 1,639,752.46, 2,258,204.44 and 1,408,630.30

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Solution

The fourth proportional to 1,639,752.46, 2,258,204.44 and 1,408,630.30 is: 1,939,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,752.46 : 2,258,204.44 = 1,408,630.30 : x
  2. Step 2: Convert to fraction form
    1,639,752.46/2,258,204.44 = 1,408,630.30/x
  3. Step 3: Cross multiply
    1,639,752.46x = 2,258,204.44 × 1,408,630.30
  4. Step 4: Simplify right side
    1,639,752.46x = 3,180,975,197,778.53
  5. Step 5: Solve for x
    x = 3,180,975,197,778.53/1,639,752.46
  6. Step 6: Final answer
    x = 1,939,911.83

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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.