Home / 3,118,428.36-4,307,561.28-2,508,877.44

Finding the Fourth Proportional to 3,118,428.36, 4,307,561.28 and 2,508,877.44

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Solution

The fourth proportional to 3,118,428.36, 4,307,561.28 and 2,508,877.44 is: 3,465,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,428.36 : 4,307,561.28 = 2,508,877.44 : x
  2. Step 2: Convert to fraction form
    3,118,428.36/4,307,561.28 = 2,508,877.44/x
  3. Step 3: Cross multiply
    3,118,428.36x = 4,307,561.28 × 2,508,877.44
  4. Step 4: Simplify right side
    3,118,428.36x = 10,807,143,316,809.52
  5. Step 5: Solve for x
    x = 10,807,143,316,809.52/3,118,428.36
  6. Step 6: Final answer
    x = 3,465,573.70

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1.5x scale

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.