Home / 2,908,619.28-4,363,128.12-988,749.18

Finding the Fourth Proportional to 2,908,619.28, 4,363,128.12 and 988,749.18

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Solution

The fourth proportional to 2,908,619.28, 4,363,128.12 and 988,749.18 is: 1,483,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,619.28 : 4,363,128.12 = 988,749.18 : x
  2. Step 2: Convert to fraction form
    2,908,619.28/4,363,128.12 = 988,749.18/x
  3. Step 3: Cross multiply
    2,908,619.28x = 4,363,128.12 × 988,749.18
  4. Step 4: Simplify right side
    2,908,619.28x = 4,314,039,350,884.94
  5. Step 5: Solve for x
    x = 4,314,039,350,884.94/2,908,619.28
  6. Step 6: Final answer
    x = 1,483,191.49

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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.