Home / 2,390,809.69-3,299,318.61-1,358,319.28

Finding the Fourth Proportional to 2,390,809.69, 3,299,318.61 and 1,358,319.28

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Solution

The fourth proportional to 2,390,809.69, 3,299,318.61 and 1,358,319.28 is: 1,874,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,809.69 : 3,299,318.61 = 1,358,319.28 : x
  2. Step 2: Convert to fraction form
    2,390,809.69/3,299,318.61 = 1,358,319.28/x
  3. Step 3: Cross multiply
    2,390,809.69x = 3,299,318.61 × 1,358,319.28
  4. Step 4: Simplify right side
    2,390,809.69x = 4,481,528,078,825.80
  5. Step 5: Solve for x
    x = 4,481,528,078,825.80/2,390,809.69
  6. Step 6: Final answer
    x = 1,874,481.31

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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.