Home / 2,116,563.59-2,920,912.09-1,149,749.21

Finding the Fourth Proportional to 2,116,563.59, 2,920,912.09 and 1,149,749.21

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Solution

The fourth proportional to 2,116,563.59, 2,920,912.09 and 1,149,749.21 is: 1,586,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,563.59 : 2,920,912.09 = 1,149,749.21 : x
  2. Step 2: Convert to fraction form
    2,116,563.59/2,920,912.09 = 1,149,749.21/x
  3. Step 3: Cross multiply
    2,116,563.59x = 2,920,912.09 × 1,149,749.21
  4. Step 4: Simplify right side
    2,116,563.59x = 3,358,316,372,384.86
  5. Step 5: Solve for x
    x = 3,358,316,372,384.86/2,116,563.59
  6. Step 6: Final answer
    x = 1,586,683.43

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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.