Home / 4,669,870.30-7,004,805.45-1,640,656.60

Finding the Fourth Proportional to 4,669,870.30, 7,004,805.45 and 1,640,656.60

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Solution

The fourth proportional to 4,669,870.30, 7,004,805.45 and 1,640,656.60 is: 2,460,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669,870.30 : 7,004,805.45 = 1,640,656.60 : x
  2. Step 2: Convert to fraction form
    4,669,870.30/7,004,805.45 = 1,640,656.60/x
  3. Step 3: Cross multiply
    4,669,870.30x = 7,004,805.45 × 1,640,656.60
  4. Step 4: Simplify right side
    4,669,870.30x = 11,492,480,293,258.47
  5. Step 5: Solve for x
    x = 11,492,480,293,258.47/4,669,870.30
  6. Step 6: Final answer
    x = 2,460,984.90

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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.