Home / 3,478,173.72-4,799,875.32-1,929,670.32

Finding the Fourth Proportional to 3,478,173.72, 4,799,875.32 and 1,929,670.32

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Solution

The fourth proportional to 3,478,173.72, 4,799,875.32 and 1,929,670.32 is: 2,662,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,173.72 : 4,799,875.32 = 1,929,670.32 : x
  2. Step 2: Convert to fraction form
    3,478,173.72/4,799,875.32 = 1,929,670.32/x
  3. Step 3: Cross multiply
    3,478,173.72x = 4,799,875.32 × 1,929,670.32
  4. Step 4: Simplify right side
    3,478,173.72x = 9,262,176,944,704.50
  5. Step 5: Solve for x
    x = 9,262,176,944,704.50/3,478,173.72
  6. Step 6: Final answer
    x = 2,662,942.59

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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.