Home / 2,108,735.96-2,909,940.54-1,249,375.64

Finding the Fourth Proportional to 2,108,735.96, 2,909,940.54 and 1,249,375.64

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Solution

The fourth proportional to 2,108,735.96, 2,909,940.54 and 1,249,375.64 is: 1,724,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,735.96 : 2,909,940.54 = 1,249,375.64 : x
  2. Step 2: Convert to fraction form
    2,108,735.96/2,909,940.54 = 1,249,375.64/x
  3. Step 3: Cross multiply
    2,108,735.96x = 2,909,940.54 × 1,249,375.64
  4. Step 4: Simplify right side
    2,108,735.96x = 3,635,608,824,524.45
  5. Step 5: Solve for x
    x = 3,635,608,824,524.45/2,108,735.96
  6. Step 6: Final answer
    x = 1,724,070.20

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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.