Home / 2,118,191.85-2,923,108.47-1,151,319.51

Finding the Fourth Proportional to 2,118,191.85, 2,923,108.47 and 1,151,319.51

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Solution

The fourth proportional to 2,118,191.85, 2,923,108.47 and 1,151,319.51 is: 1,588,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,191.85 : 2,923,108.47 = 1,151,319.51 : x
  2. Step 2: Convert to fraction form
    2,118,191.85/2,923,108.47 = 1,151,319.51/x
  3. Step 3: Cross multiply
    2,118,191.85x = 2,923,108.47 × 1,151,319.51
  4. Step 4: Simplify right side
    2,118,191.85x = 3,365,431,811,357.25
  5. Step 5: Solve for x
    x = 3,365,431,811,357.25/2,118,191.85
  6. Step 6: Final answer
    x = 1,588,822.94

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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.