Home / 1,909,313.35-2,863,905.23-489,383.35

Finding the Fourth Proportional to 1,909,313.35, 2,863,905.23 and 489,383.35

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Solution

The fourth proportional to 1,909,313.35, 2,863,905.23 and 489,383.35 is: 734,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,313.35 : 2,863,905.23 = 489,383.35 : x
  2. Step 2: Convert to fraction form
    1,909,313.35/2,863,905.23 = 489,383.35/x
  3. Step 3: Cross multiply
    1,909,313.35x = 2,863,905.23 × 489,383.35
  4. Step 4: Simplify right side
    1,909,313.35x = 1,401,547,533,093.00
  5. Step 5: Solve for x
    x = 1,401,547,533,093.00/1,909,313.35
  6. Step 6: Final answer
    x = 734,058.42

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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.