Home / 3,884,495.81-5,360,486.87-2,142,164.30

Finding the Fourth Proportional to 3,884,495.81, 5,360,486.87 and 2,142,164.30

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Solution

The fourth proportional to 3,884,495.81, 5,360,486.87 and 2,142,164.30 is: 2,956,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,495.81 : 5,360,486.87 = 2,142,164.30 : x
  2. Step 2: Convert to fraction form
    3,884,495.81/5,360,486.87 = 2,142,164.30/x
  3. Step 3: Cross multiply
    3,884,495.81x = 5,360,486.87 × 2,142,164.30
  4. Step 4: Simplify right side
    3,884,495.81x = 11,483,043,582,085.72
  5. Step 5: Solve for x
    x = 11,483,043,582,085.72/3,884,495.81
  6. Step 6: Final answer
    x = 2,956,122.02

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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.