Home / 4,131,153.80-6,196,730.70-1,291,261.40

Finding the Fourth Proportional to 4,131,153.80, 6,196,730.70 and 1,291,261.40

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Solution

The fourth proportional to 4,131,153.80, 6,196,730.70 and 1,291,261.40 is: 1,936,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131,153.80 : 6,196,730.70 = 1,291,261.40 : x
  2. Step 2: Convert to fraction form
    4,131,153.80/6,196,730.70 = 1,291,261.40/x
  3. Step 3: Cross multiply
    4,131,153.80x = 6,196,730.70 × 1,291,261.40
  4. Step 4: Simplify right side
    4,131,153.80x = 8,001,599,159,104.98
  5. Step 5: Solve for x
    x = 8,001,599,159,104.98/4,131,153.80
  6. Step 6: Final answer
    x = 1,936,892.10

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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.