Home / 2,191,480.96-3,281,314.56-1,431,440.32

Finding the Fourth Proportional to 2,191,480.96, 3,281,314.56 and 1,431,440.32

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Solution

The fourth proportional to 2,191,480.96, 3,281,314.56 and 1,431,440.32 is: 2,143,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,480.96 : 3,281,314.56 = 1,431,440.32 : x
  2. Step 2: Convert to fraction form
    2,191,480.96/3,281,314.56 = 1,431,440.32/x
  3. Step 3: Cross multiply
    2,191,480.96x = 3,281,314.56 × 1,431,440.32
  4. Step 4: Simplify right side
    2,191,480.96x = 4,697,005,963,787.06
  5. Step 5: Solve for x
    x = 4,697,005,963,787.06/2,191,480.96
  6. Step 6: Final answer
    x = 2,143,302.20

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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.