Home / 1,918,831.61-2,873,658.80-1,106,754.27

Finding the Fourth Proportional to 1,918,831.61, 2,873,658.80 and 1,106,754.27

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Solution

The fourth proportional to 1,918,831.61, 2,873,658.80 and 1,106,754.27 is: 1,657,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,831.61 : 2,873,658.80 = 1,106,754.27 : x
  2. Step 2: Convert to fraction form
    1,918,831.61/2,873,658.80 = 1,106,754.27/x
  3. Step 3: Cross multiply
    1,918,831.61x = 2,873,658.80 × 1,106,754.27
  4. Step 4: Simplify right side
    1,918,831.61x = 3,180,434,141,889.31
  5. Step 5: Solve for x
    x = 3,180,434,141,889.31/1,918,831.61
  6. Step 6: Final answer
    x = 1,657,484.76

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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.