Home / 2,315,580.40-3,195,465.96-1,297,021.60

Finding the Fourth Proportional to 2,315,580.40, 3,195,465.96 and 1,297,021.60

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Solution

The fourth proportional to 2,315,580.40, 3,195,465.96 and 1,297,021.60 is: 1,789,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,580.40 : 3,195,465.96 = 1,297,021.60 : x
  2. Step 2: Convert to fraction form
    2,315,580.40/3,195,465.96 = 1,297,021.60/x
  3. Step 3: Cross multiply
    2,315,580.40x = 3,195,465.96 × 1,297,021.60
  4. Step 4: Simplify right side
    2,315,580.40x = 4,144,588,372,184.74
  5. Step 5: Solve for x
    x = 4,144,588,372,184.74/2,315,580.40
  6. Step 6: Final answer
    x = 1,789,870.21

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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.