Home / 2,638,253.28-3,635,813.69-2,114,368.82

Finding the Fourth Proportional to 2,638,253.28, 3,635,813.69 and 2,114,368.82

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Solution

The fourth proportional to 2,638,253.28, 3,635,813.69 and 2,114,368.82 is: 2,913,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,253.28 : 3,635,813.69 = 2,114,368.82 : x
  2. Step 2: Convert to fraction form
    2,638,253.28/3,635,813.69 = 2,114,368.82/x
  3. Step 3: Cross multiply
    2,638,253.28x = 3,635,813.69 × 2,114,368.82
  4. Step 4: Simplify right side
    2,638,253.28x = 7,687,451,094,277.42
  5. Step 5: Solve for x
    x = 7,687,451,094,277.42/2,638,253.28
  6. Step 6: Final answer
    x = 2,913,841.20

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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.