Home / 2,069,861.34-2,856,435.74-1,139,677.29

Finding the Fourth Proportional to 2,069,861.34, 2,856,435.74 and 1,139,677.29

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Solution

The fourth proportional to 2,069,861.34, 2,856,435.74 and 1,139,677.29 is: 1,572,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,861.34 : 2,856,435.74 = 1,139,677.29 : x
  2. Step 2: Convert to fraction form
    2,069,861.34/2,856,435.74 = 1,139,677.29/x
  3. Step 3: Cross multiply
    2,069,861.34x = 2,856,435.74 × 1,139,677.29
  4. Step 4: Simplify right side
    2,069,861.34x = 3,255,414,941,797.75
  5. Step 5: Solve for x
    x = 3,255,414,941,797.75/2,069,861.34
  6. Step 6: Final answer
    x = 1,572,769.57

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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.