Home / 3,551,090.86-4,900,505.57-1,919,492.88

Finding the Fourth Proportional to 3,551,090.86, 4,900,505.57 and 1,919,492.88

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Solution

The fourth proportional to 3,551,090.86, 4,900,505.57 and 1,919,492.88 is: 2,648,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,090.86 : 4,900,505.57 = 1,919,492.88 : x
  2. Step 2: Convert to fraction form
    3,551,090.86/4,900,505.57 = 1,919,492.88/x
  3. Step 3: Cross multiply
    3,551,090.86x = 4,900,505.57 × 1,919,492.88
  4. Step 4: Simplify right side
    3,551,090.86x = 9,406,485,550,015.34
  5. Step 5: Solve for x
    x = 9,406,485,550,015.34/3,551,090.86
  6. Step 6: Final answer
    x = 2,648,900.27

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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.