Home / 2,688,266.40-4,032,399.60-693,722.40

Finding the Fourth Proportional to 2,688,266.40, 4,032,399.60 and 693,722.40

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Solution

The fourth proportional to 2,688,266.40, 4,032,399.60 and 693,722.40 is: 1,040,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,266.40 : 4,032,399.60 = 693,722.40 : x
  2. Step 2: Convert to fraction form
    2,688,266.40/4,032,399.60 = 693,722.40/x
  3. Step 3: Cross multiply
    2,688,266.40x = 4,032,399.60 × 693,722.40
  4. Step 4: Simplify right side
    2,688,266.40x = 2,797,365,928,271.04
  5. Step 5: Solve for x
    x = 2,797,365,928,271.04/2,688,266.40
  6. Step 6: Final answer
    x = 1,040,583.60

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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.