Home / 1,911,648.40-2,638,053.92-1,052,190.16

Finding the Fourth Proportional to 1,911,648.40, 2,638,053.92 and 1,052,190.16

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Solution

The fourth proportional to 1,911,648.40, 2,638,053.92 and 1,052,190.16 is: 1,452,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,648.40 : 2,638,053.92 = 1,052,190.16 : x
  2. Step 2: Convert to fraction form
    1,911,648.40/2,638,053.92 = 1,052,190.16/x
  3. Step 3: Cross multiply
    1,911,648.40x = 2,638,053.92 × 1,052,190.16
  4. Step 4: Simplify right side
    1,911,648.40x = 2,775,734,376,173.43
  5. Step 5: Solve for x
    x = 2,775,734,376,173.43/1,911,648.40
  6. Step 6: Final answer
    x = 1,452,010.93

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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.