Home / 5,139,390.86-7,720,210.29-3,341,349.62

Finding the Fourth Proportional to 5,139,390.86, 7,720,210.29 and 3,341,349.62

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Solution

The fourth proportional to 5,139,390.86, 7,720,210.29 and 3,341,349.62 is: 5,019,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,390.86 : 7,720,210.29 = 3,341,349.62 : x
  2. Step 2: Convert to fraction form
    5,139,390.86/7,720,210.29 = 3,341,349.62/x
  3. Step 3: Cross multiply
    5,139,390.86x = 7,720,210.29 × 3,341,349.62
  4. Step 4: Simplify right side
    5,139,390.86x = 25,795,921,718,811.59
  5. Step 5: Solve for x
    x = 25,795,921,718,811.59/5,139,390.86
  6. Step 6: Final answer
    x = 5,019,256.64

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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.