Home / 2,574,679.20-3,863,401.20-1,078,922.40

Finding the Fourth Proportional to 2,574,679.20, 3,863,401.20 and 1,078,922.40

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Solution

The fourth proportional to 2,574,679.20, 3,863,401.20 and 1,078,922.40 is: 1,618,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,679.20 : 3,863,401.20 = 1,078,922.40 : x
  2. Step 2: Convert to fraction form
    2,574,679.20/3,863,401.20 = 1,078,922.40/x
  3. Step 3: Cross multiply
    2,574,679.20x = 3,863,401.20 × 1,078,922.40
  4. Step 4: Simplify right side
    2,574,679.20x = 4,168,310,094,866.88
  5. Step 5: Solve for x
    x = 4,168,310,094,866.88/2,574,679.20
  6. Step 6: Final answer
    x = 1,618,962.90

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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.