Home / 3,888,085.20-5,824,254.60-2,203,220.40

Finding the Fourth Proportional to 3,888,085.20, 5,824,254.60 and 2,203,220.40

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Solution

The fourth proportional to 3,888,085.20, 5,824,254.60 and 2,203,220.40 is: 3,300,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,085.20 : 5,824,254.60 = 2,203,220.40 : x
  2. Step 2: Convert to fraction form
    3,888,085.20/5,824,254.60 = 2,203,220.40/x
  3. Step 3: Cross multiply
    3,888,085.20x = 5,824,254.60 × 2,203,220.40
  4. Step 4: Simplify right side
    3,888,085.20x = 12,832,116,549,513.84
  5. Step 5: Solve for x
    x = 12,832,116,549,513.84/3,888,085.20
  6. Step 6: Final answer
    x = 3,300,369.18

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1.5x scale

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.