Home / 5,472,917.40-8,209,376.10-3,457,378.20

Finding the Fourth Proportional to 5,472,917.40, 8,209,376.10 and 3,457,378.20

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Solution

The fourth proportional to 5,472,917.40, 8,209,376.10 and 3,457,378.20 is: 5,186,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,917.40 : 8,209,376.10 = 3,457,378.20 : x
  2. Step 2: Convert to fraction form
    5,472,917.40/8,209,376.10 = 3,457,378.20/x
  3. Step 3: Cross multiply
    5,472,917.40x = 8,209,376.10 × 3,457,378.20
  4. Step 4: Simplify right side
    5,472,917.40x = 28,382,917,963,741.02
  5. Step 5: Solve for x
    x = 28,382,917,963,741.02/5,472,917.40
  6. Step 6: Final answer
    x = 5,186,067.30

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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.