Home / 2,688,620.40-3,708,601.04-1,600,079.20

Finding the Fourth Proportional to 2,688,620.40, 3,708,601.04 and 1,600,079.20

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Solution

The fourth proportional to 2,688,620.40, 3,708,601.04 and 1,600,079.20 is: 2,207,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,620.40 : 3,708,601.04 = 1,600,079.20 : x
  2. Step 2: Convert to fraction form
    2,688,620.40/3,708,601.04 = 1,600,079.20/x
  3. Step 3: Cross multiply
    2,688,620.40x = 3,708,601.04 × 1,600,079.20
  4. Step 4: Simplify right side
    2,688,620.40x = 5,934,055,385,202.37
  5. Step 5: Solve for x
    x = 5,934,055,385,202.37/2,688,620.40
  6. Step 6: Final answer
    x = 2,207,100.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.