Home / 1,911,607.61-2,637,997.89-1,052,149.28

Finding the Fourth Proportional to 1,911,607.61, 2,637,997.89 and 1,052,149.28

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Solution

The fourth proportional to 1,911,607.61, 2,637,997.89 and 1,052,149.28 is: 1,451,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,607.61 : 2,637,997.89 = 1,052,149.28 : x
  2. Step 2: Convert to fraction form
    1,911,607.61/2,637,997.89 = 1,052,149.28/x
  3. Step 3: Cross multiply
    1,911,607.61x = 2,637,997.89 × 1,052,149.28
  4. Step 4: Simplify right side
    1,911,607.61x = 2,775,567,580,605.02
  5. Step 5: Solve for x
    x = 2,775,567,580,605.02/1,911,607.61
  6. Step 6: Final answer
    x = 1,451,954.66

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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.