Home / 2,101,518.26-3,151,703.06-753,430.40

Finding the Fourth Proportional to 2,101,518.26, 3,151,703.06 and 753,430.40

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Solution

The fourth proportional to 2,101,518.26, 3,151,703.06 and 753,430.40 is: 1,129,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,518.26 : 3,151,703.06 = 753,430.40 : x
  2. Step 2: Convert to fraction form
    2,101,518.26/3,151,703.06 = 753,430.40/x
  3. Step 3: Cross multiply
    2,101,518.26x = 3,151,703.06 × 753,430.40
  4. Step 4: Simplify right side
    2,101,518.26x = 2,374,588,897,177.02
  5. Step 5: Solve for x
    x = 2,374,588,897,177.02/2,101,518.26
  6. Step 6: Final answer
    x = 1,129,939.69

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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.