Home / 2,983,327.12-4,478,893.28-1,771,116.72

Finding the Fourth Proportional to 2,983,327.12, 4,478,893.28 and 1,771,116.72

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Solution

The fourth proportional to 2,983,327.12, 4,478,893.28 and 1,771,116.72 is: 2,658,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,327.12 : 4,478,893.28 = 1,771,116.72 : x
  2. Step 2: Convert to fraction form
    2,983,327.12/4,478,893.28 = 1,771,116.72/x
  3. Step 3: Cross multiply
    2,983,327.12x = 4,478,893.28 × 1,771,116.72
  4. Step 4: Simplify right side
    2,983,327.12x = 7,932,642,775,303.64
  5. Step 5: Solve for x
    x = 7,932,642,775,303.64/2,983,327.12
  6. Step 6: Final answer
    x = 2,658,991.94

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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.