Home / 2,079,014.40-3,118,521.60-1,183,219.20

Finding the Fourth Proportional to 2,079,014.40, 3,118,521.60 and 1,183,219.20

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Solution

The fourth proportional to 2,079,014.40, 3,118,521.60 and 1,183,219.20 is: 1,774,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,014.40 : 3,118,521.60 = 1,183,219.20 : x
  2. Step 2: Convert to fraction form
    2,079,014.40/3,118,521.60 = 1,183,219.20/x
  3. Step 3: Cross multiply
    2,079,014.40x = 3,118,521.60 × 1,183,219.20
  4. Step 4: Simplify right side
    2,079,014.40x = 3,689,894,632,734.72
  5. Step 5: Solve for x
    x = 3,689,894,632,734.72/2,079,014.40
  6. Step 6: Final answer
    x = 1,774,828.80

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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.