Home / 2,075,399.90-3,113,877.45-814,132.70

Finding the Fourth Proportional to 2,075,399.90, 3,113,877.45 and 814,132.70

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Solution

The fourth proportional to 2,075,399.90, 3,113,877.45 and 814,132.70 is: 1,221,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,399.90 : 3,113,877.45 = 814,132.70 : x
  2. Step 2: Convert to fraction form
    2,075,399.90/3,113,877.45 = 814,132.70/x
  3. Step 3: Cross multiply
    2,075,399.90x = 3,113,877.45 × 814,132.70
  4. Step 4: Simplify right side
    2,075,399.90x = 2,535,109,455,837.62
  5. Step 5: Solve for x
    x = 2,535,109,455,837.62/2,075,399.90
  6. Step 6: Final answer
    x = 1,221,504.08

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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.