Home / 1,571,820.59-2,167,843.70-1,055,418.86

Finding the Fourth Proportional to 1,571,820.59, 2,167,843.70 and 1,055,418.86

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Solution

The fourth proportional to 1,571,820.59, 2,167,843.70 and 1,055,418.86 is: 1,455,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,820.59 : 2,167,843.70 = 1,055,418.86 : x
  2. Step 2: Convert to fraction form
    1,571,820.59/2,167,843.70 = 1,055,418.86/x
  3. Step 3: Cross multiply
    1,571,820.59x = 2,167,843.70 × 1,055,418.86
  4. Step 4: Simplify right side
    1,571,820.59x = 2,287,983,134,570.34
  5. Step 5: Solve for x
    x = 2,287,983,134,570.34/1,571,820.59
  6. Step 6: Final answer
    x = 1,455,626.14

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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.