Home / 3,072,752.89-4,240,710.07-2,638,607.38

Finding the Fourth Proportional to 3,072,752.89, 4,240,710.07 and 2,638,607.38

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Solution

The fourth proportional to 3,072,752.89, 4,240,710.07 and 2,638,607.38 is: 3,641,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,752.89 : 4,240,710.07 = 2,638,607.38 : x
  2. Step 2: Convert to fraction form
    3,072,752.89/4,240,710.07 = 2,638,607.38/x
  3. Step 3: Cross multiply
    3,072,752.89x = 4,240,710.07 × 2,638,607.38
  4. Step 4: Simplify right side
    3,072,752.89x = 11,189,568,883,338.07
  5. Step 5: Solve for x
    x = 11,189,568,883,338.07/3,072,752.89
  6. Step 6: Final answer
    x = 3,641,545.31

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1.5x scale

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.