Home / 5,130,653.80-7,690,904.70-2,430,232.60

Finding the Fourth Proportional to 5,130,653.80, 7,690,904.70 and 2,430,232.60

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Solution

The fourth proportional to 5,130,653.80, 7,690,904.70 and 2,430,232.60 is: 3,642,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,653.80 : 7,690,904.70 = 2,430,232.60 : x
  2. Step 2: Convert to fraction form
    5,130,653.80/7,690,904.70 = 2,430,232.60/x
  3. Step 3: Cross multiply
    5,130,653.80x = 7,690,904.70 × 2,430,232.60
  4. Step 4: Simplify right side
    5,130,653.80x = 18,690,687,325,433.22
  5. Step 5: Solve for x
    x = 18,690,687,325,433.22/5,130,653.80
  6. Step 6: Final answer
    x = 3,642,944.56

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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.