Home / 4,705,139.80-7,057,709.70-3,640,945.60

Finding the Fourth Proportional to 4,705,139.80, 7,057,709.70 and 3,640,945.60

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Solution

The fourth proportional to 4,705,139.80, 7,057,709.70 and 3,640,945.60 is: 5,461,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705,139.80 : 7,057,709.70 = 3,640,945.60 : x
  2. Step 2: Convert to fraction form
    4,705,139.80/7,057,709.70 = 3,640,945.60/x
  3. Step 3: Cross multiply
    4,705,139.80x = 7,057,709.70 × 3,640,945.60
  4. Step 4: Simplify right side
    4,705,139.80x = 25,696,737,078,292.32
  5. Step 5: Solve for x
    x = 25,696,737,078,292.32/4,705,139.80
  6. Step 6: Final answer
    x = 5,461,418.40

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Double scale
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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.