Home / 1,938,981.81-2,900,370.78-1,362,563.33

Finding the Fourth Proportional to 1,938,981.81, 2,900,370.78 and 1,362,563.33

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Solution

The fourth proportional to 1,938,981.81, 2,900,370.78 and 1,362,563.33 is: 2,038,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,981.81 : 2,900,370.78 = 1,362,563.33 : x
  2. Step 2: Convert to fraction form
    1,938,981.81/2,900,370.78 = 1,362,563.33/x
  3. Step 3: Cross multiply
    1,938,981.81x = 2,900,370.78 × 1,362,563.33
  4. Step 4: Simplify right side
    1,938,981.81x = 3,951,938,868,231.50
  5. Step 5: Solve for x
    x = 3,951,938,868,231.50/1,938,981.81
  6. Step 6: Final answer
    x = 2,038,151.59

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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.