Home / 3,848,898.29-5,311,646.35-2,130,019.36

Finding the Fourth Proportional to 3,848,898.29, 5,311,646.35 and 2,130,019.36

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Solution

The fourth proportional to 3,848,898.29, 5,311,646.35 and 2,130,019.36 is: 2,939,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,898.29 : 5,311,646.35 = 2,130,019.36 : x
  2. Step 2: Convert to fraction form
    3,848,898.29/5,311,646.35 = 2,130,019.36/x
  3. Step 3: Cross multiply
    3,848,898.29x = 5,311,646.35 × 2,130,019.36
  4. Step 4: Simplify right side
    3,848,898.29x = 11,313,909,540,369.17
  5. Step 5: Solve for x
    x = 11,313,909,540,369.17/3,848,898.29
  6. Step 6: Final answer
    x = 2,939,518.97

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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.