Home / 1,789,938.40-2,686,376.40-1,775,941.60

Finding the Fourth Proportional to 1,789,938.40, 2,686,376.40 and 1,775,941.60

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Solution

The fourth proportional to 1,789,938.40, 2,686,376.40 and 1,775,941.60 is: 2,665,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,938.40 : 2,686,376.40 = 1,775,941.60 : x
  2. Step 2: Convert to fraction form
    1,789,938.40/2,686,376.40 = 1,775,941.60/x
  3. Step 3: Cross multiply
    1,789,938.40x = 2,686,376.40 × 1,775,941.60
  4. Step 4: Simplify right side
    1,789,938.40x = 4,770,847,602,018.24
  5. Step 5: Solve for x
    x = 4,770,847,602,018.24/1,789,938.40
  6. Step 6: Final answer
    x = 2,665,369.71

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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.