Home / 1,912,646.80-2,867,638.56-847,111.24

Finding the Fourth Proportional to 1,912,646.80, 2,867,638.56 and 847,111.24

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Solution

The fourth proportional to 1,912,646.80, 2,867,638.56 and 847,111.24 is: 1,270,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,646.80 : 2,867,638.56 = 847,111.24 : x
  2. Step 2: Convert to fraction form
    1,912,646.80/2,867,638.56 = 847,111.24/x
  3. Step 3: Cross multiply
    1,912,646.80x = 2,867,638.56 × 847,111.24
  4. Step 4: Simplify right side
    1,912,646.80x = 2,429,208,856,433.41
  5. Step 5: Solve for x
    x = 2,429,208,856,433.41/1,912,646.80
  6. Step 6: Final answer
    x = 1,270,077.08

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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.