Home / 2,765,116.70-4,147,675.05-1,808,522.90

Finding the Fourth Proportional to 2,765,116.70, 4,147,675.05 and 1,808,522.90

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Solution

The fourth proportional to 2,765,116.70, 4,147,675.05 and 1,808,522.90 is: 2,712,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,116.70 : 4,147,675.05 = 1,808,522.90 : x
  2. Step 2: Convert to fraction form
    2,765,116.70/4,147,675.05 = 1,808,522.90/x
  3. Step 3: Cross multiply
    2,765,116.70x = 4,147,675.05 × 1,808,522.90
  4. Step 4: Simplify right side
    2,765,116.70x = 7,501,165,309,683.65
  5. Step 5: Solve for x
    x = 7,501,165,309,683.65/2,765,116.70
  6. Step 6: Final answer
    x = 2,712,784.35

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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.