Home / 3,345,178.35-4,616,741.84-1,987,056.75

Finding the Fourth Proportional to 3,345,178.35, 4,616,741.84 and 1,987,056.75

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Solution

The fourth proportional to 3,345,178.35, 4,616,741.84 and 1,987,056.75 is: 2,742,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345,178.35 : 4,616,741.84 = 1,987,056.75 : x
  2. Step 2: Convert to fraction form
    3,345,178.35/4,616,741.84 = 1,987,056.75/x
  3. Step 3: Cross multiply
    3,345,178.35x = 4,616,741.84 × 1,987,056.75
  4. Step 4: Simplify right side
    3,345,178.35x = 9,173,728,026,244.14
  5. Step 5: Solve for x
    x = 9,173,728,026,244.14/3,345,178.35
  6. Step 6: Final answer
    x = 2,742,373.37

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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.