Home / 1,938,715.71-2,673,686.00-1,213,629.53

Finding the Fourth Proportional to 1,938,715.71, 2,673,686.00 and 1,213,629.53

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Solution

The fourth proportional to 1,938,715.71, 2,673,686.00 and 1,213,629.53 is: 1,673,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,715.71 : 2,673,686.00 = 1,213,629.53 : x
  2. Step 2: Convert to fraction form
    1,938,715.71/2,673,686.00 = 1,213,629.53/x
  3. Step 3: Cross multiply
    1,938,715.71x = 2,673,686.00 × 1,213,629.53
  4. Step 4: Simplify right side
    1,938,715.71x = 3,244,864,273,213.22
  5. Step 5: Solve for x
    x = 3,244,864,273,213.22/1,938,715.71
  6. Step 6: Final answer
    x = 1,673,718.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.