Home / 2,131,140-2,940,973.20-1,177,284

Finding the Fourth Proportional to 2,131,140, 2,940,973.20 and 1,177,284

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Solution

The fourth proportional to 2,131,140, 2,940,973.20 and 1,177,284 is: 1,624,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,140 : 2,940,973.20 = 1,177,284 : x
  2. Step 2: Convert to fraction form
    2,131,140/2,940,973.20 = 1,177,284/x
  3. Step 3: Cross multiply
    2,131,140x = 2,940,973.20 × 1,177,284
  4. Step 4: Simplify right side
    2,131,140x = 3,462,360,692,788.80
  5. Step 5: Solve for x
    x = 3,462,360,692,788.80/2,131,140
  6. Step 6: Final answer
    x = 1,624,651.92

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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.