Home / 3,778,512.10-5,678,827.35-3,291,907.30

Finding the Fourth Proportional to 3,778,512.10, 5,678,827.35 and 3,291,907.30

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Solution

The fourth proportional to 3,778,512.10, 5,678,827.35 and 3,291,907.30 is: 4,947,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,512.10 : 5,678,827.35 = 3,291,907.30 : x
  2. Step 2: Convert to fraction form
    3,778,512.10/5,678,827.35 = 3,291,907.30/x
  3. Step 3: Cross multiply
    3,778,512.10x = 5,678,827.35 × 3,291,907.30
  4. Step 4: Simplify right side
    3,778,512.10x = 18,694,173,208,904.65
  5. Step 5: Solve for x
    x = 18,694,173,208,904.65/3,778,512.10
  6. Step 6: Final answer
    x = 4,947,495.92

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1.5x scale

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.