Home / 4,991,081.86-6,886,018.02-4,071,721.72

Finding the Fourth Proportional to 4,991,081.86, 6,886,018.02 and 4,071,721.72

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Solution

The fourth proportional to 4,991,081.86, 6,886,018.02 and 4,071,721.72 is: 5,617,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,081.86 : 6,886,018.02 = 4,071,721.72 : x
  2. Step 2: Convert to fraction form
    4,991,081.86/6,886,018.02 = 4,071,721.72/x
  3. Step 3: Cross multiply
    4,991,081.86x = 6,886,018.02 × 4,071,721.72
  4. Step 4: Simplify right side
    4,991,081.86x = 28,037,949,136,345.39
  5. Step 5: Solve for x
    x = 28,037,949,136,345.39/4,991,081.86
  6. Step 6: Final answer
    x = 5,617,609.55

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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.