Home / 4,015,014.80-6,023,105.40-1,318,881.20

Finding the Fourth Proportional to 4,015,014.80, 6,023,105.40 and 1,318,881.20

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Solution

The fourth proportional to 4,015,014.80, 6,023,105.40 and 1,318,881.20 is: 1,978,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015,014.80 : 6,023,105.40 = 1,318,881.20 : x
  2. Step 2: Convert to fraction form
    4,015,014.80/6,023,105.40 = 1,318,881.20/x
  3. Step 3: Cross multiply
    4,015,014.80x = 6,023,105.40 × 1,318,881.20
  4. Step 4: Simplify right side
    4,015,014.80x = 7,943,760,477,678.48
  5. Step 5: Solve for x
    x = 7,943,760,477,678.48/4,015,014.80
  6. Step 6: Final answer
    x = 1,978,513.37

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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.