Home / 3,616,856.68-4,991,266.98-1,985,273.32

Finding the Fourth Proportional to 3,616,856.68, 4,991,266.98 and 1,985,273.32

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Solution

The fourth proportional to 3,616,856.68, 4,991,266.98 and 1,985,273.32 is: 2,739,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,856.68 : 4,991,266.98 = 1,985,273.32 : x
  2. Step 2: Convert to fraction form
    3,616,856.68/4,991,266.98 = 1,985,273.32/x
  3. Step 3: Cross multiply
    3,616,856.68x = 4,991,266.98 × 1,985,273.32
  4. Step 4: Simplify right side
    3,616,856.68x = 9,909,029,168,390.98
  5. Step 5: Solve for x
    x = 9,909,029,168,390.98/3,616,856.68
  6. Step 6: Final answer
    x = 2,739,679.80

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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.