Home / 3,142,920-4,337,025.44-1,853,464.80

Finding the Fourth Proportional to 3,142,920, 4,337,025.44 and 1,853,464.80

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Solution

The fourth proportional to 3,142,920, 4,337,025.44 and 1,853,464.80 is: 2,557,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,920 : 4,337,025.44 = 1,853,464.80 : x
  2. Step 2: Convert to fraction form
    3,142,920/4,337,025.44 = 1,853,464.80/x
  3. Step 3: Cross multiply
    3,142,920x = 4,337,025.44 × 1,853,464.80
  4. Step 4: Simplify right side
    3,142,920x = 8,038,523,989,744.51
  5. Step 5: Solve for x
    x = 8,038,523,989,744.51/3,142,920
  6. Step 6: Final answer
    x = 2,557,661.03

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1.5x scale

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.