Home / 2,075,939.56-3,115,139.10-877,796.20

Finding the Fourth Proportional to 2,075,939.56, 3,115,139.10 and 877,796.20

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Solution

The fourth proportional to 2,075,939.56, 3,115,139.10 and 877,796.20 is: 1,317,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,939.56 : 3,115,139.10 = 877,796.20 : x
  2. Step 2: Convert to fraction form
    2,075,939.56/3,115,139.10 = 877,796.20/x
  3. Step 3: Cross multiply
    2,075,939.56x = 3,115,139.10 × 877,796.20
  4. Step 4: Simplify right side
    2,075,939.56x = 2,734,457,264,451.42
  5. Step 5: Solve for x
    x = 2,734,457,264,451.42/2,075,939.56
  6. Step 6: Final answer
    x = 1,317,214.30

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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.