Home / 2,016,996.40-2,783,455.04-1,111,578.40

Finding the Fourth Proportional to 2,016,996.40, 2,783,455.04 and 1,111,578.40

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Solution

The fourth proportional to 2,016,996.40, 2,783,455.04 and 1,111,578.40 is: 1,533,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,996.40 : 2,783,455.04 = 1,111,578.40 : x
  2. Step 2: Convert to fraction form
    2,016,996.40/2,783,455.04 = 1,111,578.40/x
  3. Step 3: Cross multiply
    2,016,996.40x = 2,783,455.04 × 1,111,578.40
  4. Step 4: Simplify right side
    2,016,996.40x = 3,094,028,499,835.14
  5. Step 5: Solve for x
    x = 3,094,028,499,835.14/2,016,996.40
  6. Step 6: Final answer
    x = 1,533,978.20

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1.5x scale

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.