Home / 1,938,082.88-2,674,642.46-1,078,698.21

Finding the Fourth Proportional to 1,938,082.88, 2,674,642.46 and 1,078,698.21

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Solution

The fourth proportional to 1,938,082.88, 2,674,642.46 and 1,078,698.21 is: 1,488,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,082.88 : 2,674,642.46 = 1,078,698.21 : x
  2. Step 2: Convert to fraction form
    1,938,082.88/2,674,642.46 = 1,078,698.21/x
  3. Step 3: Cross multiply
    1,938,082.88x = 2,674,642.46 × 1,078,698.21
  4. Step 4: Simplify right side
    1,938,082.88x = 2,885,132,028,598.51
  5. Step 5: Solve for x
    x = 2,885,132,028,598.51/1,938,082.88
  6. Step 6: Final answer
    x = 1,488,652.56

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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.