Home / 4,991,084.86-6,886,022.16-4,071,724.72

Finding the Fourth Proportional to 4,991,084.86, 6,886,022.16 and 4,071,724.72

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Solution

The fourth proportional to 4,991,084.86, 6,886,022.16 and 4,071,724.72 is: 5,617,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,084.86 : 6,886,022.16 = 4,071,724.72 : x
  2. Step 2: Convert to fraction form
    4,991,084.86/6,886,022.16 = 4,071,724.72/x
  3. Step 3: Cross multiply
    4,991,084.86x = 6,886,022.16 × 4,071,724.72
  4. Step 4: Simplify right side
    4,991,084.86x = 28,037,986,651,339.80
  5. Step 5: Solve for x
    x = 28,037,986,651,339.80/4,991,084.86
  6. Step 6: Final answer
    x = 5,617,613.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.