Home / 3,111,220.80-4,666,831.20-1,943,071.20

Finding the Fourth Proportional to 3,111,220.80, 4,666,831.20 and 1,943,071.20

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Solution

The fourth proportional to 3,111,220.80, 4,666,831.20 and 1,943,071.20 is: 2,914,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,220.80 : 4,666,831.20 = 1,943,071.20 : x
  2. Step 2: Convert to fraction form
    3,111,220.80/4,666,831.20 = 1,943,071.20/x
  3. Step 3: Cross multiply
    3,111,220.80x = 4,666,831.20 × 1,943,071.20
  4. Step 4: Simplify right side
    3,111,220.80x = 9,067,985,299,981.44
  5. Step 5: Solve for x
    x = 9,067,985,299,981.44/3,111,220.80
  6. Step 6: Final answer
    x = 2,914,606.80

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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.