Home / 5,359,728.40-8,037,864.86-1,764,639.38

Finding the Fourth Proportional to 5,359,728.40, 8,037,864.86 and 1,764,639.38

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Solution

The fourth proportional to 5,359,728.40, 8,037,864.86 and 1,764,639.38 is: 2,646,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359,728.40 : 8,037,864.86 = 1,764,639.38 : x
  2. Step 2: Convert to fraction form
    5,359,728.40/8,037,864.86 = 1,764,639.38/x
  3. Step 3: Cross multiply
    5,359,728.40x = 8,037,864.86 × 1,764,639.38
  4. Step 4: Simplify right side
    5,359,728.40x = 14,183,932,863,074.19
  5. Step 5: Solve for x
    x = 14,183,932,863,074.19/5,359,728.40
  6. Step 6: Final answer
    x = 2,646,390.23

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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.