Home / 4,631,996.80-6,947,995.20-1,640,483.20

Finding the Fourth Proportional to 4,631,996.80, 6,947,995.20 and 1,640,483.20

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Solution

The fourth proportional to 4,631,996.80, 6,947,995.20 and 1,640,483.20 is: 2,460,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631,996.80 : 6,947,995.20 = 1,640,483.20 : x
  2. Step 2: Convert to fraction form
    4,631,996.80/6,947,995.20 = 1,640,483.20/x
  3. Step 3: Cross multiply
    4,631,996.80x = 6,947,995.20 × 1,640,483.20
  4. Step 4: Simplify right side
    4,631,996.80x = 11,398,069,399,280.64
  5. Step 5: Solve for x
    x = 11,398,069,399,280.64/4,631,996.80
  6. Step 6: Final answer
    x = 2,460,724.80

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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.