Home / 3,460,939.43-4,776,068.34-1,912,196.28

Finding the Fourth Proportional to 3,460,939.43, 4,776,068.34 and 1,912,196.28

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Solution

The fourth proportional to 3,460,939.43, 4,776,068.34 and 1,912,196.28 is: 2,638,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,939.43 : 4,776,068.34 = 1,912,196.28 : x
  2. Step 2: Convert to fraction form
    3,460,939.43/4,776,068.34 = 1,912,196.28/x
  3. Step 3: Cross multiply
    3,460,939.43x = 4,776,068.34 × 1,912,196.28
  4. Step 4: Simplify right side
    3,460,939.43x = 9,132,780,112,773.78
  5. Step 5: Solve for x
    x = 9,132,780,112,773.78/3,460,939.43
  6. Step 6: Final answer
    x = 2,638,815.36

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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.