Home / 3,107,427.30-4,661,140.95-978,164.10

Finding the Fourth Proportional to 3,107,427.30, 4,661,140.95 and 978,164.10

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Solution

The fourth proportional to 3,107,427.30, 4,661,140.95 and 978,164.10 is: 1,467,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,427.30 : 4,661,140.95 = 978,164.10 : x
  2. Step 2: Convert to fraction form
    3,107,427.30/4,661,140.95 = 978,164.10/x
  3. Step 3: Cross multiply
    3,107,427.30x = 4,661,140.95 × 978,164.10
  4. Step 4: Simplify right side
    3,107,427.30x = 4,559,360,742,329.90
  5. Step 5: Solve for x
    x = 4,559,360,742,329.90/3,107,427.30
  6. Step 6: Final answer
    x = 1,467,246.15

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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.