Home / 2,075,122.56-2,863,669.08-1,121,266.56

Finding the Fourth Proportional to 2,075,122.56, 2,863,669.08 and 1,121,266.56

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Solution

The fourth proportional to 2,075,122.56, 2,863,669.08 and 1,121,266.56 is: 1,547,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,122.56 : 2,863,669.08 = 1,121,266.56 : x
  2. Step 2: Convert to fraction form
    2,075,122.56/2,863,669.08 = 1,121,266.56/x
  3. Step 3: Cross multiply
    2,075,122.56x = 2,863,669.08 × 1,121,266.56
  4. Step 4: Simplify right side
    2,075,122.56x = 3,210,936,378,309.97
  5. Step 5: Solve for x
    x = 3,210,936,378,309.97/2,075,122.56
  6. Step 6: Final answer
    x = 1,547,347.82

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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.