Home / 2,701,972.34-3,728,228.87-1,540,369.16

Finding the Fourth Proportional to 2,701,972.34, 3,728,228.87 and 1,540,369.16

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Solution

The fourth proportional to 2,701,972.34, 3,728,228.87 and 1,540,369.16 is: 2,125,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701,972.34 : 3,728,228.87 = 1,540,369.16 : x
  2. Step 2: Convert to fraction form
    2,701,972.34/3,728,228.87 = 1,540,369.16/x
  3. Step 3: Cross multiply
    2,701,972.34x = 3,728,228.87 × 1,540,369.16
  4. Step 4: Simplify right side
    2,701,972.34x = 5,742,848,754,128.51
  5. Step 5: Solve for x
    x = 5,742,848,754,128.51/2,701,972.34
  6. Step 6: Final answer
    x = 2,125,428.41

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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.