Home / 2,586,243.35-3,879,598.76-988,820.28

Finding the Fourth Proportional to 2,586,243.35, 3,879,598.76 and 988,820.28

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Solution

The fourth proportional to 2,586,243.35, 3,879,598.76 and 988,820.28 is: 1,483,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,243.35 : 3,879,598.76 = 988,820.28 : x
  2. Step 2: Convert to fraction form
    2,586,243.35/3,879,598.76 = 988,820.28/x
  3. Step 3: Cross multiply
    2,586,243.35x = 3,879,598.76 × 988,820.28
  4. Step 4: Simplify right side
    2,586,243.35x = 3,836,225,927,206.75
  5. Step 5: Solve for x
    x = 3,836,225,927,206.75/2,586,243.35
  6. Step 6: Final answer
    x = 1,483,319.79

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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.