Home / 1,949,783.85-2,689,795.01-1,261,678.10

Finding the Fourth Proportional to 1,949,783.85, 2,689,795.01 and 1,261,678.10

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Solution

The fourth proportional to 1,949,783.85, 2,689,795.01 and 1,261,678.10 is: 1,740,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,783.85 : 2,689,795.01 = 1,261,678.10 : x
  2. Step 2: Convert to fraction form
    1,949,783.85/2,689,795.01 = 1,261,678.10/x
  3. Step 3: Cross multiply
    1,949,783.85x = 2,689,795.01 × 1,261,678.10
  4. Step 4: Simplify right side
    1,949,783.85x = 3,393,655,447,311.50
  5. Step 5: Solve for x
    x = 3,393,655,447,311.50/1,949,783.85
  6. Step 6: Final answer
    x = 1,740,529.06

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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.