Home / 2,153,313.56-2,971,640.01-1,235,710.55

Finding the Fourth Proportional to 2,153,313.56, 2,971,640.01 and 1,235,710.55

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Solution

The fourth proportional to 2,153,313.56, 2,971,640.01 and 1,235,710.55 is: 1,705,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,313.56 : 2,971,640.01 = 1,235,710.55 : x
  2. Step 2: Convert to fraction form
    2,153,313.56/2,971,640.01 = 1,235,710.55/x
  3. Step 3: Cross multiply
    2,153,313.56x = 2,971,640.01 × 1,235,710.55
  4. Step 4: Simplify right side
    2,153,313.56x = 3,672,086,910,685.66
  5. Step 5: Solve for x
    x = 3,672,086,910,685.66/2,153,313.56
  6. Step 6: Final answer
    x = 1,705,319.18

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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.