Home / 2,910,699.84-4,016,755.68-1,621,464

Finding the Fourth Proportional to 2,910,699.84, 4,016,755.68 and 1,621,464

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Solution

The fourth proportional to 2,910,699.84, 4,016,755.68 and 1,621,464 is: 2,237,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,699.84 : 4,016,755.68 = 1,621,464 : x
  2. Step 2: Convert to fraction form
    2,910,699.84/4,016,755.68 = 1,621,464/x
  3. Step 3: Cross multiply
    2,910,699.84x = 4,016,755.68 × 1,621,464
  4. Step 4: Simplify right side
    2,910,699.84x = 6,513,024,731,915.52
  5. Step 5: Solve for x
    x = 6,513,024,731,915.52/2,910,699.84
  6. Step 6: Final answer
    x = 2,237,614.69

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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.