Home / 3,138,002.40-4,707,003.60-863,522.40

Finding the Fourth Proportional to 3,138,002.40, 4,707,003.60 and 863,522.40

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Solution

The fourth proportional to 3,138,002.40, 4,707,003.60 and 863,522.40 is: 1,295,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,002.40 : 4,707,003.60 = 863,522.40 : x
  2. Step 2: Convert to fraction form
    3,138,002.40/4,707,003.60 = 863,522.40/x
  3. Step 3: Cross multiply
    3,138,002.40x = 4,707,003.60 × 863,522.40
  4. Step 4: Simplify right side
    3,138,002.40x = 4,064,603,045,480.64
  5. Step 5: Solve for x
    x = 4,064,603,045,480.64/3,138,002.40
  6. Step 6: Final answer
    x = 1,295,283.60

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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.