Home / 2,688,541.20-4,032,811.80-2,394,608.40

Finding the Fourth Proportional to 2,688,541.20, 4,032,811.80 and 2,394,608.40

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Solution

The fourth proportional to 2,688,541.20, 4,032,811.80 and 2,394,608.40 is: 3,591,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,541.20 : 4,032,811.80 = 2,394,608.40 : x
  2. Step 2: Convert to fraction form
    2,688,541.20/4,032,811.80 = 2,394,608.40/x
  3. Step 3: Cross multiply
    2,688,541.20x = 4,032,811.80 × 2,394,608.40
  4. Step 4: Simplify right side
    2,688,541.20x = 9,657,005,011,899.12
  5. Step 5: Solve for x
    x = 9,657,005,011,899.12/2,688,541.20
  6. Step 6: Final answer
    x = 3,591,912.60

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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.