Home / 1,457,999.55-2,186,999.33-1,391,569.43

Finding the Fourth Proportional to 1,457,999.55, 2,186,999.33 and 1,391,569.43

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Solution

The fourth proportional to 1,457,999.55, 2,186,999.33 and 1,391,569.43 is: 2,087,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,999.55 : 2,186,999.33 = 1,391,569.43 : x
  2. Step 2: Convert to fraction form
    1,457,999.55/2,186,999.33 = 1,391,569.43/x
  3. Step 3: Cross multiply
    1,457,999.55x = 2,186,999.33 × 1,391,569.43
  4. Step 4: Simplify right side
    1,457,999.55x = 3,043,361,393,165.64
  5. Step 5: Solve for x
    x = 3,043,361,393,165.64/1,457,999.55
  6. Step 6: Final answer
    x = 2,087,354.14

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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.