Home / 3,551,089.86-4,900,504.19-1,919,491.88

Finding the Fourth Proportional to 3,551,089.86, 4,900,504.19 and 1,919,491.88

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Solution

The fourth proportional to 3,551,089.86, 4,900,504.19 and 1,919,491.88 is: 2,648,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,089.86 : 4,900,504.19 = 1,919,491.88 : x
  2. Step 2: Convert to fraction form
    3,551,089.86/4,900,504.19 = 1,919,491.88/x
  3. Step 3: Cross multiply
    3,551,089.86x = 4,900,504.19 × 1,919,491.88
  4. Step 4: Simplify right side
    3,551,089.86x = 9,406,477,966,511.00
  5. Step 5: Solve for x
    x = 9,406,477,966,511.00/3,551,089.86
  6. Step 6: Final answer
    x = 2,648,898.88

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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.