Home / 3,939,784.80-5,909,871.60-2,050,216.80

Finding the Fourth Proportional to 3,939,784.80, 5,909,871.60 and 2,050,216.80

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Solution

The fourth proportional to 3,939,784.80, 5,909,871.60 and 2,050,216.80 is: 3,075,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,784.80 : 5,909,871.60 = 2,050,216.80 : x
  2. Step 2: Convert to fraction form
    3,939,784.80/5,909,871.60 = 2,050,216.80/x
  3. Step 3: Cross multiply
    3,939,784.80x = 5,909,871.60 × 2,050,216.80
  4. Step 4: Simplify right side
    3,939,784.80x = 12,116,518,040,162.88
  5. Step 5: Solve for x
    x = 12,116,518,040,162.88/3,939,784.80
  6. Step 6: Final answer
    x = 3,075,426.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.