Home / 2,099,004.67-3,148,588.95-660,669.40

Finding the Fourth Proportional to 2,099,004.67, 3,148,588.95 and 660,669.40

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Solution

The fourth proportional to 2,099,004.67, 3,148,588.95 and 660,669.40 is: 991,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,004.67 : 3,148,588.95 = 660,669.40 : x
  2. Step 2: Convert to fraction form
    2,099,004.67/3,148,588.95 = 660,669.40/x
  3. Step 3: Cross multiply
    2,099,004.67x = 3,148,588.95 × 660,669.40
  4. Step 4: Simplify right side
    2,099,004.67x = 2,080,176,372,443.13
  5. Step 5: Solve for x
    x = 2,080,176,372,443.13/2,099,004.67
  6. Step 6: Final answer
    x = 991,029.89

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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.