Home / 2,127,935.40-3,191,903.10-1,008,191.40

Finding the Fourth Proportional to 2,127,935.40, 3,191,903.10 and 1,008,191.40

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Solution

The fourth proportional to 2,127,935.40, 3,191,903.10 and 1,008,191.40 is: 1,512,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,935.40 : 3,191,903.10 = 1,008,191.40 : x
  2. Step 2: Convert to fraction form
    2,127,935.40/3,191,903.10 = 1,008,191.40/x
  3. Step 3: Cross multiply
    2,127,935.40x = 3,191,903.10 × 1,008,191.40
  4. Step 4: Simplify right side
    2,127,935.40x = 3,218,049,255,053.34
  5. Step 5: Solve for x
    x = 3,218,049,255,053.34/2,127,935.40
  6. Step 6: Final answer
    x = 1,512,287.10

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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.