Home / 2,906,833.20-4,355,828.52-1,388,425.28

Finding the Fourth Proportional to 2,906,833.20, 4,355,828.52 and 1,388,425.28

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Solution

The fourth proportional to 2,906,833.20, 4,355,828.52 and 1,388,425.28 is: 2,080,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906,833.20 : 4,355,828.52 = 1,388,425.28 : x
  2. Step 2: Convert to fraction form
    2,906,833.20/4,355,828.52 = 1,388,425.28/x
  3. Step 3: Cross multiply
    2,906,833.20x = 4,355,828.52 × 1,388,425.28
  4. Step 4: Simplify right side
    2,906,833.20x = 6,047,742,432,512.99
  5. Step 5: Solve for x
    x = 6,047,742,432,512.99/2,906,833.20
  6. Step 6: Final answer
    x = 2,080,526.13

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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.