Home / 1,971,889.20-2,957,615.10-552,088.80

Finding the Fourth Proportional to 1,971,889.20, 2,957,615.10 and 552,088.80

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Solution

The fourth proportional to 1,971,889.20, 2,957,615.10 and 552,088.80 is: 828,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,889.20 : 2,957,615.10 = 552,088.80 : x
  2. Step 2: Convert to fraction form
    1,971,889.20/2,957,615.10 = 552,088.80/x
  3. Step 3: Cross multiply
    1,971,889.20x = 2,957,615.10 × 552,088.80
  4. Step 4: Simplify right side
    1,971,889.20x = 1,632,866,171,420.88
  5. Step 5: Solve for x
    x = 1,632,866,171,420.88/1,971,889.20
  6. Step 6: Final answer
    x = 828,071.97

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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.