Home / 1,879,384.80-2,819,077.20-1,083,122.40

Finding the Fourth Proportional to 1,879,384.80, 2,819,077.20 and 1,083,122.40

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Solution

The fourth proportional to 1,879,384.80, 2,819,077.20 and 1,083,122.40 is: 1,624,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,384.80 : 2,819,077.20 = 1,083,122.40 : x
  2. Step 2: Convert to fraction form
    1,879,384.80/2,819,077.20 = 1,083,122.40/x
  3. Step 3: Cross multiply
    1,879,384.80x = 2,819,077.20 × 1,083,122.40
  4. Step 4: Simplify right side
    1,879,384.80x = 3,053,405,662,649.28
  5. Step 5: Solve for x
    x = 3,053,405,662,649.28/1,879,384.80
  6. Step 6: Final answer
    x = 1,624,683.60

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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.