Home / 2,121,132-2,927,162.64-1,167,276

Finding the Fourth Proportional to 2,121,132, 2,927,162.64 and 1,167,276

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Solution

The fourth proportional to 2,121,132, 2,927,162.64 and 1,167,276 is: 1,610,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,132 : 2,927,162.64 = 1,167,276 : x
  2. Step 2: Convert to fraction form
    2,121,132/2,927,162.64 = 1,167,276/x
  3. Step 3: Cross multiply
    2,121,132x = 2,927,162.64 × 1,167,276
  4. Step 4: Simplify right side
    2,121,132x = 3,416,806,697,768.64
  5. Step 5: Solve for x
    x = 3,416,806,697,768.64/2,121,132
  6. Step 6: Final answer
    x = 1,610,841.14

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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.