Home / 3,939,785.00-5,436,986.33-2,220,905.51

Finding the Fourth Proportional to 3,939,785.00, 5,436,986.33 and 2,220,905.51

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Solution

The fourth proportional to 3,939,785.00, 5,436,986.33 and 2,220,905.51 is: 3,064,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,785.00 : 5,436,986.33 = 2,220,905.51 : x
  2. Step 2: Convert to fraction form
    3,939,785.00/5,436,986.33 = 2,220,905.51/x
  3. Step 3: Cross multiply
    3,939,785.00x = 5,436,986.33 × 2,220,905.51
  4. Step 4: Simplify right side
    3,939,785.00x = 12,075,032,859,802.22
  5. Step 5: Solve for x
    x = 12,075,032,859,802.22/3,939,785.00
  6. Step 6: Final answer
    x = 3,064,896.40

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1.5x scale

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.