Home / 2,500,220.32-3,450,223.05-1,397,622.40

Finding the Fourth Proportional to 2,500,220.32, 3,450,223.05 and 1,397,622.40

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Solution

The fourth proportional to 2,500,220.32, 3,450,223.05 and 1,397,622.40 is: 1,928,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,220.32 : 3,450,223.05 = 1,397,622.40 : x
  2. Step 2: Convert to fraction form
    2,500,220.32/3,450,223.05 = 1,397,622.40/x
  3. Step 3: Cross multiply
    2,500,220.32x = 3,450,223.05 × 1,397,622.40
  4. Step 4: Simplify right side
    2,500,220.32x = 4,822,109,005,809.68
  5. Step 5: Solve for x
    x = 4,822,109,005,809.68/2,500,220.32
  6. Step 6: Final answer
    x = 1,928,673.63

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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.