Home / 4,872,002.60-7,308,003.90-4,639,759.40

Finding the Fourth Proportional to 4,872,002.60, 7,308,003.90 and 4,639,759.40

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Solution

The fourth proportional to 4,872,002.60, 7,308,003.90 and 4,639,759.40 is: 6,959,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,002.60 : 7,308,003.90 = 4,639,759.40 : x
  2. Step 2: Convert to fraction form
    4,872,002.60/7,308,003.90 = 4,639,759.40/x
  3. Step 3: Cross multiply
    4,872,002.60x = 7,308,003.90 × 4,639,759.40
  4. Step 4: Simplify right side
    4,872,002.60x = 33,907,379,790,261.66
  5. Step 5: Solve for x
    x = 33,907,379,790,261.66/4,872,002.60
  6. Step 6: Final answer
    x = 6,959,639.10

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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.