Home / 1,640,540.40-2,459,741.40-1,472,578.80

Finding the Fourth Proportional to 1,640,540.40, 2,459,741.40 and 1,472,578.80

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Solution

The fourth proportional to 1,640,540.40, 2,459,741.40 and 1,472,578.80 is: 2,207,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,540.40 : 2,459,741.40 = 1,472,578.80 : x
  2. Step 2: Convert to fraction form
    1,640,540.40/2,459,741.40 = 1,472,578.80/x
  3. Step 3: Cross multiply
    1,640,540.40x = 2,459,741.40 × 1,472,578.80
  4. Step 4: Simplify right side
    1,640,540.40x = 3,622,163,039,122.32
  5. Step 5: Solve for x
    x = 3,622,163,039,122.32/1,640,540.40
  6. Step 6: Final answer
    x = 2,207,908.47

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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.