Home / 2,319,858.45-3,201,397.74-1,287,521.73

Finding the Fourth Proportional to 2,319,858.45, 3,201,397.74 and 1,287,521.73

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Solution

The fourth proportional to 2,319,858.45, 3,201,397.74 and 1,287,521.73 is: 1,776,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,858.45 : 3,201,397.74 = 1,287,521.73 : x
  2. Step 2: Convert to fraction form
    2,319,858.45/3,201,397.74 = 1,287,521.73/x
  3. Step 3: Cross multiply
    2,319,858.45x = 3,201,397.74 × 1,287,521.73
  4. Step 4: Simplify right side
    2,319,858.45x = 4,121,869,156,622.89
  5. Step 5: Solve for x
    x = 4,121,869,156,622.89/2,319,858.45
  6. Step 6: Final answer
    x = 1,776,776.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.