Home / 3,209,316.39-4,428,799.54-1,903,447.76

Finding the Fourth Proportional to 3,209,316.39, 4,428,799.54 and 1,903,447.76

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Solution

The fourth proportional to 3,209,316.39, 4,428,799.54 and 1,903,447.76 is: 2,626,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,316.39 : 4,428,799.54 = 1,903,447.76 : x
  2. Step 2: Convert to fraction form
    3,209,316.39/4,428,799.54 = 1,903,447.76/x
  3. Step 3: Cross multiply
    3,209,316.39x = 4,428,799.54 × 1,903,447.76
  4. Step 4: Simplify right side
    3,209,316.39x = 8,429,988,536,999.41
  5. Step 5: Solve for x
    x = 8,429,988,536,999.41/3,209,316.39
  6. Step 6: Final answer
    x = 2,626,724.05

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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.