Home / 2,080,307.80-3,120,461.70-960,563.80

Finding the Fourth Proportional to 2,080,307.80, 3,120,461.70 and 960,563.80

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Solution

The fourth proportional to 2,080,307.80, 3,120,461.70 and 960,563.80 is: 1,440,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,307.80 : 3,120,461.70 = 960,563.80 : x
  2. Step 2: Convert to fraction form
    2,080,307.80/3,120,461.70 = 960,563.80/x
  3. Step 3: Cross multiply
    2,080,307.80x = 3,120,461.70 × 960,563.80
  4. Step 4: Simplify right side
    2,080,307.80x = 2,997,402,548,306.46
  5. Step 5: Solve for x
    x = 2,997,402,548,306.46/2,080,307.80
  6. Step 6: Final answer
    x = 1,440,845.70

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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.