Home / 1,538,403.60-2,307,605.40-1,361,256.60

Finding the Fourth Proportional to 1,538,403.60, 2,307,605.40 and 1,361,256.60

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Solution

The fourth proportional to 1,538,403.60, 2,307,605.40 and 1,361,256.60 is: 2,041,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,403.60 : 2,307,605.40 = 1,361,256.60 : x
  2. Step 2: Convert to fraction form
    1,538,403.60/2,307,605.40 = 1,361,256.60/x
  3. Step 3: Cross multiply
    1,538,403.60x = 2,307,605.40 × 1,361,256.60
  4. Step 4: Simplify right side
    1,538,403.60x = 3,141,243,080,945.64
  5. Step 5: Solve for x
    x = 3,141,243,080,945.64/1,538,403.60
  6. Step 6: Final answer
    x = 2,041,884.90

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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.