Home / 2,289,738.81-3,430,566.71-1,389,352.11

Finding the Fourth Proportional to 2,289,738.81, 3,430,566.71 and 1,389,352.11

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Solution

The fourth proportional to 2,289,738.81, 3,430,566.71 and 1,389,352.11 is: 2,081,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,738.81 : 3,430,566.71 = 1,389,352.11 : x
  2. Step 2: Convert to fraction form
    2,289,738.81/3,430,566.71 = 1,389,352.11/x
  3. Step 3: Cross multiply
    2,289,738.81x = 3,430,566.71 × 1,389,352.11
  4. Step 4: Simplify right side
    2,289,738.81x = 4,766,265,090,087.50
  5. Step 5: Solve for x
    x = 4,766,265,090,087.50/2,289,738.81
  6. Step 6: Final answer
    x = 2,081,575.89

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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.