Home / 4,119,930.40-6,184,042.80-1,991,725.60

Finding the Fourth Proportional to 4,119,930.40, 6,184,042.80 and 1,991,725.60

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Solution

The fourth proportional to 4,119,930.40, 6,184,042.80 and 1,991,725.60 is: 2,989,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,930.40 : 6,184,042.80 = 1,991,725.60 : x
  2. Step 2: Convert to fraction form
    4,119,930.40/6,184,042.80 = 1,991,725.60/x
  3. Step 3: Cross multiply
    4,119,930.40x = 6,184,042.80 × 1,991,725.60
  4. Step 4: Simplify right side
    4,119,930.40x = 12,316,916,356,255.68
  5. Step 5: Solve for x
    x = 12,316,916,356,255.68/4,119,930.40
  6. Step 6: Final answer
    x = 2,989,593.31

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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.