Home / 5,310,021.60-7,964,110.80-1,942,495.20

Finding the Fourth Proportional to 5,310,021.60, 7,964,110.80 and 1,942,495.20

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Solution

The fourth proportional to 5,310,021.60, 7,964,110.80 and 1,942,495.20 is: 2,913,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,021.60 : 7,964,110.80 = 1,942,495.20 : x
  2. Step 2: Convert to fraction form
    5,310,021.60/7,964,110.80 = 1,942,495.20/x
  3. Step 3: Cross multiply
    5,310,021.60x = 7,964,110.80 × 1,942,495.20
  4. Step 4: Simplify right side
    5,310,021.60x = 15,470,247,001,268.16
  5. Step 5: Solve for x
    x = 15,470,247,001,268.16/5,310,021.60
  6. Step 6: Final answer
    x = 2,913,405.66

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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.