Home / 4,752,003.80-7,128,005.70-2,862,435.80

Finding the Fourth Proportional to 4,752,003.80, 7,128,005.70 and 2,862,435.80

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Solution

The fourth proportional to 4,752,003.80, 7,128,005.70 and 2,862,435.80 is: 4,293,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,003.80 : 7,128,005.70 = 2,862,435.80 : x
  2. Step 2: Convert to fraction form
    4,752,003.80/7,128,005.70 = 2,862,435.80/x
  3. Step 3: Cross multiply
    4,752,003.80x = 7,128,005.70 × 2,862,435.80
  4. Step 4: Simplify right side
    4,752,003.80x = 20,403,458,698,284.06
  5. Step 5: Solve for x
    x = 20,403,458,698,284.06/4,752,003.80
  6. Step 6: Final answer
    x = 4,293,653.70

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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.