Home / 2,028,564.64-3,042,881.52-766,986.40

Finding the Fourth Proportional to 2,028,564.64, 3,042,881.52 and 766,986.40

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Solution

The fourth proportional to 2,028,564.64, 3,042,881.52 and 766,986.40 is: 1,150,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,564.64 : 3,042,881.52 = 766,986.40 : x
  2. Step 2: Convert to fraction form
    2,028,564.64/3,042,881.52 = 766,986.40/x
  3. Step 3: Cross multiply
    2,028,564.64x = 3,042,881.52 × 766,986.40
  4. Step 4: Simplify right side
    2,028,564.64x = 2,333,848,742,651.33
  5. Step 5: Solve for x
    x = 2,333,848,742,651.33/2,028,564.64
  6. Step 6: Final answer
    x = 1,150,492.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.