Home / 2,550,173.90-3,519,325.87-1,388,665.04

Finding the Fourth Proportional to 2,550,173.90, 3,519,325.87 and 1,388,665.04

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Solution

The fourth proportional to 2,550,173.90, 3,519,325.87 and 1,388,665.04 is: 1,916,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,173.90 : 3,519,325.87 = 1,388,665.04 : x
  2. Step 2: Convert to fraction form
    2,550,173.90/3,519,325.87 = 1,388,665.04/x
  3. Step 3: Cross multiply
    2,550,173.90x = 3,519,325.87 × 1,388,665.04
  4. Step 4: Simplify right side
    2,550,173.90x = 4,887,164,788,866.40
  5. Step 5: Solve for x
    x = 4,887,164,788,866.40/2,550,173.90
  6. Step 6: Final answer
    x = 1,916,404.52

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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.