Home / 1,930,661.20-2,897,120.76-808,636.24

Finding the Fourth Proportional to 1,930,661.20, 2,897,120.76 and 808,636.24

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Solution

The fourth proportional to 1,930,661.20, 2,897,120.76 and 808,636.24 is: 1,213,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,661.20 : 2,897,120.76 = 808,636.24 : x
  2. Step 2: Convert to fraction form
    1,930,661.20/2,897,120.76 = 808,636.24/x
  3. Step 3: Cross multiply
    1,930,661.20x = 2,897,120.76 × 808,636.24
  4. Step 4: Simplify right side
    1,930,661.20x = 2,342,716,838,192.34
  5. Step 5: Solve for x
    x = 2,342,716,838,192.34/1,930,661.20
  6. Step 6: Final answer
    x = 1,213,427.21

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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.