Home / 3,218,922.70-4,828,384.05-1,089,076.30

Finding the Fourth Proportional to 3,218,922.70, 4,828,384.05 and 1,089,076.30

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Solution

The fourth proportional to 3,218,922.70, 4,828,384.05 and 1,089,076.30 is: 1,633,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,922.70 : 4,828,384.05 = 1,089,076.30 : x
  2. Step 2: Convert to fraction form
    3,218,922.70/4,828,384.05 = 1,089,076.30/x
  3. Step 3: Cross multiply
    3,218,922.70x = 4,828,384.05 × 1,089,076.30
  4. Step 4: Simplify right side
    3,218,922.70x = 5,258,478,636,153.01
  5. Step 5: Solve for x
    x = 5,258,478,636,153.01/3,218,922.70
  6. Step 6: Final answer
    x = 1,633,614.45

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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.