Home / 1,886,211.90-2,602,972.62-1,026,778.50

Finding the Fourth Proportional to 1,886,211.90, 2,602,972.62 and 1,026,778.50

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Solution

The fourth proportional to 1,886,211.90, 2,602,972.62 and 1,026,778.50 is: 1,416,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,211.90 : 2,602,972.62 = 1,026,778.50 : x
  2. Step 2: Convert to fraction form
    1,886,211.90/2,602,972.62 = 1,026,778.50/x
  3. Step 3: Cross multiply
    1,886,211.90x = 2,602,972.62 × 1,026,778.50
  4. Step 4: Simplify right side
    1,886,211.90x = 2,672,676,322,304.67
  5. Step 5: Solve for x
    x = 2,672,676,322,304.67/1,886,211.90
  6. Step 6: Final answer
    x = 1,416,954.44

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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.