Home / 2,106,646.60-3,159,969.90-1,297,675.30

Finding the Fourth Proportional to 2,106,646.60, 3,159,969.90 and 1,297,675.30

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Solution

The fourth proportional to 2,106,646.60, 3,159,969.90 and 1,297,675.30 is: 1,946,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,646.60 : 3,159,969.90 = 1,297,675.30 : x
  2. Step 2: Convert to fraction form
    2,106,646.60/3,159,969.90 = 1,297,675.30/x
  3. Step 3: Cross multiply
    2,106,646.60x = 3,159,969.90 × 1,297,675.30
  4. Step 4: Simplify right side
    2,106,646.60x = 4,100,614,887,973.47
  5. Step 5: Solve for x
    x = 4,100,614,887,973.47/2,106,646.60
  6. Step 6: Final answer
    x = 1,946,512.95

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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.