Home / 2,235,489-3,084,975.18-1,216,901.40

Finding the Fourth Proportional to 2,235,489, 3,084,975.18 and 1,216,901.40

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Solution

The fourth proportional to 2,235,489, 3,084,975.18 and 1,216,901.40 is: 1,679,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,489 : 3,084,975.18 = 1,216,901.40 : x
  2. Step 2: Convert to fraction form
    2,235,489/3,084,975.18 = 1,216,901.40/x
  3. Step 3: Cross multiply
    2,235,489x = 3,084,975.18 × 1,216,901.40
  4. Step 4: Simplify right side
    2,235,489x = 3,754,110,615,507.25
  5. Step 5: Solve for x
    x = 3,754,110,615,507.25/2,235,489
  6. Step 6: Final answer
    x = 1,679,324.13

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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.