Home / 2,745,982.89-4,118,018.64-1,126,291.70

Finding the Fourth Proportional to 2,745,982.89, 4,118,018.64 and 1,126,291.70

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Solution

The fourth proportional to 2,745,982.89, 4,118,018.64 and 1,126,291.70 is: 1,689,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745,982.89 : 4,118,018.64 = 1,126,291.70 : x
  2. Step 2: Convert to fraction form
    2,745,982.89/4,118,018.64 = 1,126,291.70/x
  3. Step 3: Cross multiply
    2,745,982.89x = 4,118,018.64 × 1,126,291.70
  4. Step 4: Simplify right side
    2,745,982.89x = 4,638,090,220,748.74
  5. Step 5: Solve for x
    x = 4,638,090,220,748.74/2,745,982.89
  6. Step 6: Final answer
    x = 1,689,045.56

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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.