Home / 4,878,915.03-7,316,949.33-1,640,086.61

Finding the Fourth Proportional to 4,878,915.03, 7,316,949.33 and 1,640,086.61

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Solution

The fourth proportional to 4,878,915.03, 7,316,949.33 and 1,640,086.61 is: 2,459,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,915.03 : 7,316,949.33 = 1,640,086.61 : x
  2. Step 2: Convert to fraction form
    4,878,915.03/7,316,949.33 = 1,640,086.61/x
  3. Step 3: Cross multiply
    4,878,915.03x = 7,316,949.33 × 1,640,086.61
  4. Step 4: Simplify right side
    4,878,915.03x = 12,000,430,585,596.72
  5. Step 5: Solve for x
    x = 12,000,430,585,596.72/4,878,915.03
  6. Step 6: Final answer
    x = 2,459,651.48

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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.