Home / 3,112,899.30-4,295,147.76-1,889,848.80

Finding the Fourth Proportional to 3,112,899.30, 4,295,147.76 and 1,889,848.80

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Solution

The fourth proportional to 3,112,899.30, 4,295,147.76 and 1,889,848.80 is: 2,607,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,899.30 : 4,295,147.76 = 1,889,848.80 : x
  2. Step 2: Convert to fraction form
    3,112,899.30/4,295,147.76 = 1,889,848.80/x
  3. Step 3: Cross multiply
    3,112,899.30x = 4,295,147.76 × 1,889,848.80
  4. Step 4: Simplify right side
    3,112,899.30x = 8,117,179,840,058.69
  5. Step 5: Solve for x
    x = 8,117,179,840,058.69/3,112,899.30
  6. Step 6: Final answer
    x = 2,607,594.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.