Home / 3,617,075.14-4,991,570.79-2,147,278.47

Finding the Fourth Proportional to 3,617,075.14, 4,991,570.79 and 2,147,278.47

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Solution

The fourth proportional to 3,617,075.14, 4,991,570.79 and 2,147,278.47 is: 2,963,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,075.14 : 4,991,570.79 = 2,147,278.47 : x
  2. Step 2: Convert to fraction form
    3,617,075.14/4,991,570.79 = 2,147,278.47/x
  3. Step 3: Cross multiply
    3,617,075.14x = 4,991,570.79 × 2,147,278.47
  4. Step 4: Simplify right side
    3,617,075.14x = 10,718,292,488,847.89
  5. Step 5: Solve for x
    x = 10,718,292,488,847.89/3,617,075.14
  6. Step 6: Final answer
    x = 2,963,248.50

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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.