Home / 2,821,004.40-3,892,973.76-1,531,834.32

Finding the Fourth Proportional to 2,821,004.40, 3,892,973.76 and 1,531,834.32

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Solution

The fourth proportional to 2,821,004.40, 3,892,973.76 and 1,531,834.32 is: 2,113,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,004.40 : 3,892,973.76 = 1,531,834.32 : x
  2. Step 2: Convert to fraction form
    2,821,004.40/3,892,973.76 = 1,531,834.32/x
  3. Step 3: Cross multiply
    2,821,004.40x = 3,892,973.76 × 1,531,834.32
  4. Step 4: Simplify right side
    2,821,004.40x = 5,963,390,812,427.44
  5. Step 5: Solve for x
    x = 5,963,390,812,427.44/2,821,004.40
  6. Step 6: Final answer
    x = 2,113,924.68

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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.