Home / 2,086,815.32-3,130,520.19-647,623.07

Finding the Fourth Proportional to 2,086,815.32, 3,130,520.19 and 647,623.07

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Solution

The fourth proportional to 2,086,815.32, 3,130,520.19 and 647,623.07 is: 971,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,815.32 : 3,130,520.19 = 647,623.07 : x
  2. Step 2: Convert to fraction form
    2,086,815.32/3,130,520.19 = 647,623.07/x
  3. Step 3: Cross multiply
    2,086,815.32x = 3,130,520.19 × 647,623.07
  4. Step 4: Simplify right side
    2,086,815.32x = 2,027,397,080,492.18
  5. Step 5: Solve for x
    x = 2,027,397,080,492.18/2,086,815.32
  6. Step 6: Final answer
    x = 971,526.84

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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.