Home / 5,180,528.55-7,770,811.28-1,586,280.52

Finding the Fourth Proportional to 5,180,528.55, 7,770,811.28 and 1,586,280.52

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Solution

The fourth proportional to 5,180,528.55, 7,770,811.28 and 1,586,280.52 is: 2,379,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,528.55 : 7,770,811.28 = 1,586,280.52 : x
  2. Step 2: Convert to fraction form
    5,180,528.55/7,770,811.28 = 1,586,280.52/x
  3. Step 3: Cross multiply
    5,180,528.55x = 7,770,811.28 × 1,586,280.52
  4. Step 4: Simplify right side
    5,180,528.55x = 12,326,686,511,274.81
  5. Step 5: Solve for x
    x = 12,326,686,511,274.81/5,180,528.55
  6. Step 6: Final answer
    x = 2,379,426.42

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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.