Home / 2,688,928.60-4,033,392.90-2,670,266.20

Finding the Fourth Proportional to 2,688,928.60, 4,033,392.90 and 2,670,266.20

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Solution

The fourth proportional to 2,688,928.60, 4,033,392.90 and 2,670,266.20 is: 4,005,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,928.60 : 4,033,392.90 = 2,670,266.20 : x
  2. Step 2: Convert to fraction form
    2,688,928.60/4,033,392.90 = 2,670,266.20/x
  3. Step 3: Cross multiply
    2,688,928.60x = 4,033,392.90 × 2,670,266.20
  4. Step 4: Simplify right side
    2,688,928.60x = 10,770,232,732,189.98
  5. Step 5: Solve for x
    x = 10,770,232,732,189.98/2,688,928.60
  6. Step 6: Final answer
    x = 4,005,399.30

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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.