Home / 1,977,290.58-2,728,555.02-1,117,799.58

Finding the Fourth Proportional to 1,977,290.58, 2,728,555.02 and 1,117,799.58

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Solution

The fourth proportional to 1,977,290.58, 2,728,555.02 and 1,117,799.58 is: 1,542,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,290.58 : 2,728,555.02 = 1,117,799.58 : x
  2. Step 2: Convert to fraction form
    1,977,290.58/2,728,555.02 = 1,117,799.58/x
  3. Step 3: Cross multiply
    1,977,290.58x = 2,728,555.02 × 1,117,799.58
  4. Step 4: Simplify right side
    1,977,290.58x = 3,049,977,655,362.89
  5. Step 5: Solve for x
    x = 3,049,977,655,362.89/1,977,290.58
  6. Step 6: Final answer
    x = 1,542,503.51

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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.