Home / 2,357,653.80-3,253,518.18-1,311,139.20

Finding the Fourth Proportional to 2,357,653.80, 3,253,518.18 and 1,311,139.20

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Solution

The fourth proportional to 2,357,653.80, 3,253,518.18 and 1,311,139.20 is: 1,809,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357,653.80 : 3,253,518.18 = 1,311,139.20 : x
  2. Step 2: Convert to fraction form
    2,357,653.80/3,253,518.18 = 1,311,139.20/x
  3. Step 3: Cross multiply
    2,357,653.80x = 3,253,518.18 × 1,311,139.20
  4. Step 4: Simplify right side
    2,357,653.80x = 4,265,815,223,710.66
  5. Step 5: Solve for x
    x = 4,265,815,223,710.66/2,357,653.80
  6. Step 6: Final answer
    x = 1,809,347.59

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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.