Home / 1,977,308.58-2,728,579.86-1,117,817.58

Finding the Fourth Proportional to 1,977,308.58, 2,728,579.86 and 1,117,817.58

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Solution

The fourth proportional to 1,977,308.58, 2,728,579.86 and 1,117,817.58 is: 1,542,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,308.58 : 2,728,579.86 = 1,117,817.58 : x
  2. Step 2: Convert to fraction form
    1,977,308.58/2,728,579.86 = 1,117,817.58/x
  3. Step 3: Cross multiply
    1,977,308.58x = 2,728,579.86 × 1,117,817.58
  4. Step 4: Simplify right side
    1,977,308.58x = 3,050,054,535,941.94
  5. Step 5: Solve for x
    x = 3,050,054,535,941.94/1,977,308.58
  6. Step 6: Final answer
    x = 1,542,528.35

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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.