Home / 2,818,659.84-3,888,123.84-1,798,915.20

Finding the Fourth Proportional to 2,818,659.84, 3,888,123.84 and 1,798,915.20

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Solution

The fourth proportional to 2,818,659.84, 3,888,123.84 and 1,798,915.20 is: 2,481,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,659.84 : 3,888,123.84 = 1,798,915.20 : x
  2. Step 2: Convert to fraction form
    2,818,659.84/3,888,123.84 = 1,798,915.20/x
  3. Step 3: Cross multiply
    2,818,659.84x = 3,888,123.84 × 1,798,915.20
  4. Step 4: Simplify right side
    2,818,659.84x = 6,994,405,075,258.37
  5. Step 5: Solve for x
    x = 6,994,405,075,258.37/2,818,659.84
  6. Step 6: Final answer
    x = 2,481,464.76

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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.