Home / 1,809,956.96-2,495,982.74-1,222,548.20

Finding the Fourth Proportional to 1,809,956.96, 2,495,982.74 and 1,222,548.20

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Solution

The fourth proportional to 1,809,956.96, 2,495,982.74 and 1,222,548.20 is: 1,685,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,956.96 : 2,495,982.74 = 1,222,548.20 : x
  2. Step 2: Convert to fraction form
    1,809,956.96/2,495,982.74 = 1,222,548.20/x
  3. Step 3: Cross multiply
    1,809,956.96x = 2,495,982.74 × 1,222,548.20
  4. Step 4: Simplify right side
    1,809,956.96x = 3,051,459,206,018.07
  5. Step 5: Solve for x
    x = 3,051,459,206,018.07/1,809,956.96
  6. Step 6: Final answer
    x = 1,685,929.15

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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.