Home / 2,178,674.36-3,006,527.50-1,211,783.84

Finding the Fourth Proportional to 2,178,674.36, 3,006,527.50 and 1,211,783.84

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Solution

The fourth proportional to 2,178,674.36, 3,006,527.50 and 1,211,783.84 is: 1,672,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,674.36 : 3,006,527.50 = 1,211,783.84 : x
  2. Step 2: Convert to fraction form
    2,178,674.36/3,006,527.50 = 1,211,783.84/x
  3. Step 3: Cross multiply
    2,178,674.36x = 3,006,527.50 × 1,211,783.84
  4. Step 4: Simplify right side
    2,178,674.36x = 3,643,261,439,015.60
  5. Step 5: Solve for x
    x = 3,643,261,439,015.60/2,178,674.36
  6. Step 6: Final answer
    x = 1,672,237.72

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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.