Home / 1,575,563.97-2,174,155.51-930,861.89

Finding the Fourth Proportional to 1,575,563.97, 2,174,155.51 and 930,861.89

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Solution

The fourth proportional to 1,575,563.97, 2,174,155.51 and 930,861.89 is: 1,284,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,563.97 : 2,174,155.51 = 930,861.89 : x
  2. Step 2: Convert to fraction form
    1,575,563.97/2,174,155.51 = 930,861.89/x
  3. Step 3: Cross multiply
    1,575,563.97x = 2,174,155.51 × 930,861.89
  4. Step 4: Simplify right side
    1,575,563.97x = 2,023,838,507,192.51
  5. Step 5: Solve for x
    x = 2,023,838,507,192.51/1,575,563.97
  6. Step 6: Final answer
    x = 1,284,516.88

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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.