Home / 2,782,653.90-4,173,543.45-985,280.10

Finding the Fourth Proportional to 2,782,653.90, 4,173,543.45 and 985,280.10

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Solution

The fourth proportional to 2,782,653.90, 4,173,543.45 and 985,280.10 is: 1,477,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,653.90 : 4,173,543.45 = 985,280.10 : x
  2. Step 2: Convert to fraction form
    2,782,653.90/4,173,543.45 = 985,280.10/x
  3. Step 3: Cross multiply
    2,782,653.90x = 4,173,543.45 × 985,280.10
  4. Step 4: Simplify right side
    2,782,653.90x = 4,112,109,307,770.35
  5. Step 5: Solve for x
    x = 4,112,109,307,770.35/2,782,653.90
  6. Step 6: Final answer
    x = 1,477,765.28

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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.