Home / 2,118,352.13-2,923,645.55-1,291,905.25

Finding the Fourth Proportional to 2,118,352.13, 2,923,645.55 and 1,291,905.25

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Solution

The fourth proportional to 2,118,352.13, 2,923,645.55 and 1,291,905.25 is: 1,783,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,352.13 : 2,923,645.55 = 1,291,905.25 : x
  2. Step 2: Convert to fraction form
    2,118,352.13/2,923,645.55 = 1,291,905.25/x
  3. Step 3: Cross multiply
    2,118,352.13x = 2,923,645.55 × 1,291,905.25
  4. Step 4: Simplify right side
    2,118,352.13x = 3,777,073,035,184.14
  5. Step 5: Solve for x
    x = 3,777,073,035,184.14/2,118,352.13
  6. Step 6: Final answer
    x = 1,783,024.16

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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.