Home / 4,267,915.20-6,401,872.80-2,675,390.40

Finding the Fourth Proportional to 4,267,915.20, 6,401,872.80 and 2,675,390.40

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Solution

The fourth proportional to 4,267,915.20, 6,401,872.80 and 2,675,390.40 is: 4,013,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267,915.20 : 6,401,872.80 = 2,675,390.40 : x
  2. Step 2: Convert to fraction form
    4,267,915.20/6,401,872.80 = 2,675,390.40/x
  3. Step 3: Cross multiply
    4,267,915.20x = 6,401,872.80 × 2,675,390.40
  4. Step 4: Simplify right side
    4,267,915.20x = 17,127,509,031,141.12
  5. Step 5: Solve for x
    x = 17,127,509,031,141.12/4,267,915.20
  6. Step 6: Final answer
    x = 4,013,085.60

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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.