Home / 3,619,520.72-5,428,075.49-1,459,988.07

Finding the Fourth Proportional to 3,619,520.72, 5,428,075.49 and 1,459,988.07

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Solution

The fourth proportional to 3,619,520.72, 5,428,075.49 and 1,459,988.07 is: 2,189,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,520.72 : 5,428,075.49 = 1,459,988.07 : x
  2. Step 2: Convert to fraction form
    3,619,520.72/5,428,075.49 = 1,459,988.07/x
  3. Step 3: Cross multiply
    3,619,520.72x = 5,428,075.49 × 1,459,988.07
  4. Step 4: Simplify right side
    3,619,520.72x = 7,924,925,458,459.41
  5. Step 5: Solve for x
    x = 7,924,925,458,459.41/3,619,520.72
  6. Step 6: Final answer
    x = 2,189,495.81

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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.