Home / 3,778,875-5,668,316.64-938,987.16

Finding the Fourth Proportional to 3,778,875, 5,668,316.64 and 938,987.16

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Solution

The fourth proportional to 3,778,875, 5,668,316.64 and 938,987.16 is: 1,408,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,875 : 5,668,316.64 = 938,987.16 : x
  2. Step 2: Convert to fraction form
    3,778,875/5,668,316.64 = 938,987.16/x
  3. Step 3: Cross multiply
    3,778,875x = 5,668,316.64 × 938,987.16
  4. Step 4: Simplify right side
    3,778,875x = 5,322,476,543,774.34
  5. Step 5: Solve for x
    x = 5,322,476,543,774.34/3,778,875
  6. Step 6: Final answer
    x = 1,408,481.77

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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.