Home / 1,913,636.32-2,640,636.38-1,097,907.18

Finding the Fourth Proportional to 1,913,636.32, 2,640,636.38 and 1,097,907.18

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Solution

The fourth proportional to 1,913,636.32, 2,640,636.38 and 1,097,907.18 is: 1,515,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,636.32 : 2,640,636.38 = 1,097,907.18 : x
  2. Step 2: Convert to fraction form
    1,913,636.32/2,640,636.38 = 1,097,907.18/x
  3. Step 3: Cross multiply
    1,913,636.32x = 2,640,636.38 × 1,097,907.18
  4. Step 4: Simplify right side
    1,913,636.32x = 2,899,173,641,371.21
  5. Step 5: Solve for x
    x = 2,899,173,641,371.21/1,913,636.32
  6. Step 6: Final answer
    x = 1,515,007.64

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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.