Home / 1,473,316.20-2,207,900.70-1,091,255.40

Finding the Fourth Proportional to 1,473,316.20, 2,207,900.70 and 1,091,255.40

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Solution

The fourth proportional to 1,473,316.20, 2,207,900.70 and 1,091,255.40 is: 1,635,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,316.20 : 2,207,900.70 = 1,091,255.40 : x
  2. Step 2: Convert to fraction form
    1,473,316.20/2,207,900.70 = 1,091,255.40/x
  3. Step 3: Cross multiply
    1,473,316.20x = 2,207,900.70 × 1,091,255.40
  4. Step 4: Simplify right side
    1,473,316.20x = 2,409,383,561,538.78
  5. Step 5: Solve for x
    x = 2,409,383,561,538.78/1,473,316.20
  6. Step 6: Final answer
    x = 1,635,347.23

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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.