Home / 1,901,406.34-2,850,189.27-1,191,931.66

Finding the Fourth Proportional to 1,901,406.34, 2,850,189.27 and 1,191,931.66

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Solution

The fourth proportional to 1,901,406.34, 2,850,189.27 and 1,191,931.66 is: 1,786,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,406.34 : 2,850,189.27 = 1,191,931.66 : x
  2. Step 2: Convert to fraction form
    1,901,406.34/2,850,189.27 = 1,191,931.66/x
  3. Step 3: Cross multiply
    1,901,406.34x = 2,850,189.27 × 1,191,931.66
  4. Step 4: Simplify right side
    1,901,406.34x = 3,397,230,827,905.29
  5. Step 5: Solve for x
    x = 3,397,230,827,905.29/1,901,406.34
  6. Step 6: Final answer
    x = 1,786,693.75

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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.