Home / 5,075,387.09-7,004,477.15-2,783,990.64

Finding the Fourth Proportional to 5,075,387.09, 7,004,477.15 and 2,783,990.64

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Solution

The fourth proportional to 5,075,387.09, 7,004,477.15 and 2,783,990.64 is: 3,842,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075,387.09 : 7,004,477.15 = 2,783,990.64 : x
  2. Step 2: Convert to fraction form
    5,075,387.09/7,004,477.15 = 2,783,990.64/x
  3. Step 3: Cross multiply
    5,075,387.09x = 7,004,477.15 × 2,783,990.64
  4. Step 4: Simplify right side
    5,075,387.09x = 19,500,398,809,773.92
  5. Step 5: Solve for x
    x = 19,500,398,809,773.92/5,075,387.09
  6. Step 6: Final answer
    x = 3,842,150.06

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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.