Home / 2,980,276.40-4,467,887.40-1,085,913.20

Finding the Fourth Proportional to 2,980,276.40, 4,467,887.40 and 1,085,913.20

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Solution

The fourth proportional to 2,980,276.40, 4,467,887.40 and 1,085,913.20 is: 1,627,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,276.40 : 4,467,887.40 = 1,085,913.20 : x
  2. Step 2: Convert to fraction form
    2,980,276.40/4,467,887.40 = 1,085,913.20/x
  3. Step 3: Cross multiply
    2,980,276.40x = 4,467,887.40 × 1,085,913.20
  4. Step 4: Simplify right side
    2,980,276.40x = 4,851,737,903,773.68
  5. Step 5: Solve for x
    x = 4,851,737,903,773.68/2,980,276.40
  6. Step 6: Final answer
    x = 1,627,948.97

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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.