Home / 6,872,178.51-9,483,684.12-3,774,774.15

Finding the Fourth Proportional to 6,872,178.51, 9,483,684.12 and 3,774,774.15

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Solution

The fourth proportional to 6,872,178.51, 9,483,684.12 and 3,774,774.15 is: 5,209,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,178.51 : 9,483,684.12 = 3,774,774.15 : x
  2. Step 2: Convert to fraction form
    6,872,178.51/9,483,684.12 = 3,774,774.15/x
  3. Step 3: Cross multiply
    6,872,178.51x = 9,483,684.12 × 3,774,774.15
  4. Step 4: Simplify right side
    6,872,178.51x = 35,798,765,662,941.49
  5. Step 5: Solve for x
    x = 35,798,765,662,941.49/6,872,178.51
  6. Step 6: Final answer
    x = 5,209,231.05

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Double scale
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1.5x scale

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.