Home / 2,885,976.61-3,980,912.47-1,905,924.66

Finding the Fourth Proportional to 2,885,976.61, 3,980,912.47 and 1,905,924.66

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Solution

The fourth proportional to 2,885,976.61, 3,980,912.47 and 1,905,924.66 is: 2,629,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,976.61 : 3,980,912.47 = 1,905,924.66 : x
  2. Step 2: Convert to fraction form
    2,885,976.61/3,980,912.47 = 1,905,924.66/x
  3. Step 3: Cross multiply
    2,885,976.61x = 3,980,912.47 × 1,905,924.66
  4. Step 4: Simplify right side
    2,885,976.61x = 7,587,319,245,874.51
  5. Step 5: Solve for x
    x = 7,587,319,245,874.51/2,885,976.61
  6. Step 6: Final answer
    x = 2,629,030.06

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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.