Home / 1,941,467.52-2,912,201.28-1,938,663.84

Finding the Fourth Proportional to 1,941,467.52, 2,912,201.28 and 1,938,663.84

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Solution

The fourth proportional to 1,941,467.52, 2,912,201.28 and 1,938,663.84 is: 2,907,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,467.52 : 2,912,201.28 = 1,938,663.84 : x
  2. Step 2: Convert to fraction form
    1,941,467.52/2,912,201.28 = 1,938,663.84/x
  3. Step 3: Cross multiply
    1,941,467.52x = 2,912,201.28 × 1,938,663.84
  4. Step 4: Simplify right side
    1,941,467.52x = 5,645,779,316,337.72
  5. Step 5: Solve for x
    x = 5,645,779,316,337.72/1,941,467.52
  6. Step 6: Final answer
    x = 2,907,995.76

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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.