Home / 4,116,007.20-6,174,010.80-1,276,406.40

Finding the Fourth Proportional to 4,116,007.20, 6,174,010.80 and 1,276,406.40

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Solution

The fourth proportional to 4,116,007.20, 6,174,010.80 and 1,276,406.40 is: 1,914,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116,007.20 : 6,174,010.80 = 1,276,406.40 : x
  2. Step 2: Convert to fraction form
    4,116,007.20/6,174,010.80 = 1,276,406.40/x
  3. Step 3: Cross multiply
    4,116,007.20x = 6,174,010.80 × 1,276,406.40
  4. Step 4: Simplify right side
    4,116,007.20x = 7,880,546,898,789.12
  5. Step 5: Solve for x
    x = 7,880,546,898,789.12/4,116,007.20
  6. Step 6: Final answer
    x = 1,914,609.60

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Similar ratio
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1.5x scale

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.