Home / 2,793,430.28-4,188,430.58-1,085,579.45

Finding the Fourth Proportional to 2,793,430.28, 4,188,430.58 and 1,085,579.45

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Solution

The fourth proportional to 2,793,430.28, 4,188,430.58 and 1,085,579.45 is: 1,627,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,430.28 : 4,188,430.58 = 1,085,579.45 : x
  2. Step 2: Convert to fraction form
    2,793,430.28/4,188,430.58 = 1,085,579.45/x
  3. Step 3: Cross multiply
    2,793,430.28x = 4,188,430.58 × 1,085,579.45
  4. Step 4: Simplify right side
    2,793,430.28x = 4,546,874,144,457.43
  5. Step 5: Solve for x
    x = 4,546,874,144,457.43/2,793,430.28
  6. Step 6: Final answer
    x = 1,627,702.75

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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.