Home / 2,993,128.80-4,130,450.64-1,635,007.20

Finding the Fourth Proportional to 2,993,128.80, 4,130,450.64 and 1,635,007.20

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Solution

The fourth proportional to 2,993,128.80, 4,130,450.64 and 1,635,007.20 is: 2,256,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,128.80 : 4,130,450.64 = 1,635,007.20 : x
  2. Step 2: Convert to fraction form
    2,993,128.80/4,130,450.64 = 1,635,007.20/x
  3. Step 3: Cross multiply
    2,993,128.80x = 4,130,450.64 × 1,635,007.20
  4. Step 4: Simplify right side
    2,993,128.80x = 6,753,316,535,644.61
  5. Step 5: Solve for x
    x = 6,753,316,535,644.61/2,993,128.80
  6. Step 6: Final answer
    x = 2,256,273.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.