Home / 2,081,328.80-3,120,572.61-1,108,838.48

Finding the Fourth Proportional to 2,081,328.80, 3,120,572.61 and 1,108,838.48

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Solution

The fourth proportional to 2,081,328.80, 3,120,572.61 and 1,108,838.48 is: 1,662,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,328.80 : 3,120,572.61 = 1,108,838.48 : x
  2. Step 2: Convert to fraction form
    2,081,328.80/3,120,572.61 = 1,108,838.48/x
  3. Step 3: Cross multiply
    2,081,328.80x = 3,120,572.61 × 1,108,838.48
  4. Step 4: Simplify right side
    2,081,328.80x = 3,460,210,989,602.03
  5. Step 5: Solve for x
    x = 3,460,210,989,602.03/2,081,328.80
  6. Step 6: Final answer
    x = 1,662,500.89

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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.