Home / 2,605,378.34-3,907,880.28-808,215.20

Finding the Fourth Proportional to 2,605,378.34, 3,907,880.28 and 808,215.20

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Solution

The fourth proportional to 2,605,378.34, 3,907,880.28 and 808,215.20 is: 1,212,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,378.34 : 3,907,880.28 = 808,215.20 : x
  2. Step 2: Convert to fraction form
    2,605,378.34/3,907,880.28 = 808,215.20/x
  3. Step 3: Cross multiply
    2,605,378.34x = 3,907,880.28 × 808,215.20
  4. Step 4: Simplify right side
    2,605,378.34x = 3,158,408,242,076.26
  5. Step 5: Solve for x
    x = 3,158,408,242,076.26/2,605,378.34
  6. Step 6: Final answer
    x = 1,212,264.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.