Home / 1,433,428.14-2,147,619.91-1,348,091.40

Finding the Fourth Proportional to 1,433,428.14, 2,147,619.91 and 1,348,091.40

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Solution

The fourth proportional to 1,433,428.14, 2,147,619.91 and 1,348,091.40 is: 2,019,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,428.14 : 2,147,619.91 = 1,348,091.40 : x
  2. Step 2: Convert to fraction form
    1,433,428.14/2,147,619.91 = 1,348,091.40/x
  3. Step 3: Cross multiply
    1,433,428.14x = 2,147,619.91 × 1,348,091.40
  4. Step 4: Simplify right side
    1,433,428.14x = 2,895,187,927,769.55
  5. Step 5: Solve for x
    x = 2,895,187,927,769.55/1,433,428.14
  6. Step 6: Final answer
    x = 2,019,764.96

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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.