Home / 2,660,477.60-3,990,716.40-1,063,287.20

Finding the Fourth Proportional to 2,660,477.60, 3,990,716.40 and 1,063,287.20

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Solution

The fourth proportional to 2,660,477.60, 3,990,716.40 and 1,063,287.20 is: 1,594,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,477.60 : 3,990,716.40 = 1,063,287.20 : x
  2. Step 2: Convert to fraction form
    2,660,477.60/3,990,716.40 = 1,063,287.20/x
  3. Step 3: Cross multiply
    2,660,477.60x = 3,990,716.40 × 1,063,287.20
  4. Step 4: Simplify right side
    2,660,477.60x = 4,243,277,666,950.08
  5. Step 5: Solve for x
    x = 4,243,277,666,950.08/2,660,477.60
  6. Step 6: Final answer
    x = 1,594,930.80

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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.