Home / 1,873,497.78-2,811,367.81-1,721,040.64

Finding the Fourth Proportional to 1,873,497.78, 2,811,367.81 and 1,721,040.64

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Solution

The fourth proportional to 1,873,497.78, 2,811,367.81 and 1,721,040.64 is: 2,582,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,497.78 : 2,811,367.81 = 1,721,040.64 : x
  2. Step 2: Convert to fraction form
    1,873,497.78/2,811,367.81 = 1,721,040.64/x
  3. Step 3: Cross multiply
    1,873,497.78x = 2,811,367.81 × 1,721,040.64
  4. Step 4: Simplify right side
    1,873,497.78x = 4,838,478,254,997.80
  5. Step 5: Solve for x
    x = 4,838,478,254,997.80/1,873,497.78
  6. Step 6: Final answer
    x = 2,582,590.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.