Home / 2,079,518.40-3,119,277.60-1,015,243.20

Finding the Fourth Proportional to 2,079,518.40, 3,119,277.60 and 1,015,243.20

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Solution

The fourth proportional to 2,079,518.40, 3,119,277.60 and 1,015,243.20 is: 1,522,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,518.40 : 3,119,277.60 = 1,015,243.20 : x
  2. Step 2: Convert to fraction form
    2,079,518.40/3,119,277.60 = 1,015,243.20/x
  3. Step 3: Cross multiply
    2,079,518.40x = 3,119,277.60 × 1,015,243.20
  4. Step 4: Simplify right side
    2,079,518.40x = 3,166,825,372,312.32
  5. Step 5: Solve for x
    x = 3,166,825,372,312.32/2,079,518.40
  6. Step 6: Final answer
    x = 1,522,864.80

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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.