Home / 3,560,941.80-5,341,412.70-1,431,354.60

Finding the Fourth Proportional to 3,560,941.80, 5,341,412.70 and 1,431,354.60

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Solution

The fourth proportional to 3,560,941.80, 5,341,412.70 and 1,431,354.60 is: 2,147,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560,941.80 : 5,341,412.70 = 1,431,354.60 : x
  2. Step 2: Convert to fraction form
    3,560,941.80/5,341,412.70 = 1,431,354.60/x
  3. Step 3: Cross multiply
    3,560,941.80x = 5,341,412.70 × 1,431,354.60
  4. Step 4: Simplify right side
    3,560,941.80x = 7,645,455,638,643.42
  5. Step 5: Solve for x
    x = 7,645,455,638,643.42/3,560,941.80
  6. Step 6: Final answer
    x = 2,147,031.90

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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.