Home / 1,776,014.20-2,662,709.10-978,196.60

Finding the Fourth Proportional to 1,776,014.20, 2,662,709.10 and 978,196.60

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Solution

The fourth proportional to 1,776,014.20, 2,662,709.10 and 978,196.60 is: 1,466,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,014.20 : 2,662,709.10 = 978,196.60 : x
  2. Step 2: Convert to fraction form
    1,776,014.20/2,662,709.10 = 978,196.60/x
  3. Step 3: Cross multiply
    1,776,014.20x = 2,662,709.10 × 978,196.60
  4. Step 4: Simplify right side
    1,776,014.20x = 2,604,652,988,409.06
  5. Step 5: Solve for x
    x = 2,604,652,988,409.06/1,776,014.20
  6. Step 6: Final answer
    x = 1,466,572.16

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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.