Home / 1,911,624.44-2,638,020.84-1,052,166.20

Finding the Fourth Proportional to 1,911,624.44, 2,638,020.84 and 1,052,166.20

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Solution

The fourth proportional to 1,911,624.44, 2,638,020.84 and 1,052,166.20 is: 1,451,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,624.44 : 2,638,020.84 = 1,052,166.20 : x
  2. Step 2: Convert to fraction form
    1,911,624.44/2,638,020.84 = 1,052,166.20/x
  3. Step 3: Cross multiply
    1,911,624.44x = 2,638,020.84 × 1,052,166.20
  4. Step 4: Simplify right side
    1,911,624.44x = 2,775,636,362,743.61
  5. Step 5: Solve for x
    x = 2,775,636,362,743.61/1,911,624.44
  6. Step 6: Final answer
    x = 1,451,977.86

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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.