Home / 1,960,661.70-2,940,994.98-612,831.22

Finding the Fourth Proportional to 1,960,661.70, 2,940,994.98 and 612,831.22

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Solution

The fourth proportional to 1,960,661.70, 2,940,994.98 and 612,831.22 is: 919,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,661.70 : 2,940,994.98 = 612,831.22 : x
  2. Step 2: Convert to fraction form
    1,960,661.70/2,940,994.98 = 612,831.22/x
  3. Step 3: Cross multiply
    1,960,661.70x = 2,940,994.98 × 612,831.22
  4. Step 4: Simplify right side
    1,960,661.70x = 1,802,333,534,254.79
  5. Step 5: Solve for x
    x = 1,802,333,534,254.79/1,960,661.70
  6. Step 6: Final answer
    x = 919,247.59

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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.