Home / 3,107,970.05-4,289,042.95-1,783,609.39

Finding the Fourth Proportional to 3,107,970.05, 4,289,042.95 and 1,783,609.39

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Solution

The fourth proportional to 3,107,970.05, 4,289,042.95 and 1,783,609.39 is: 2,461,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,970.05 : 4,289,042.95 = 1,783,609.39 : x
  2. Step 2: Convert to fraction form
    3,107,970.05/4,289,042.95 = 1,783,609.39/x
  3. Step 3: Cross multiply
    3,107,970.05x = 4,289,042.95 × 1,783,609.39
  4. Step 4: Simplify right side
    3,107,970.05x = 7,649,977,274,022.03
  5. Step 5: Solve for x
    x = 7,649,977,274,022.03/3,107,970.05
  6. Step 6: Final answer
    x = 2,461,406.37

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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.