Home / 2,776,020.20-4,164,030.30-1,356,986.60

Finding the Fourth Proportional to 2,776,020.20, 4,164,030.30 and 1,356,986.60

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Solution

The fourth proportional to 2,776,020.20, 4,164,030.30 and 1,356,986.60 is: 2,035,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,020.20 : 4,164,030.30 = 1,356,986.60 : x
  2. Step 2: Convert to fraction form
    2,776,020.20/4,164,030.30 = 1,356,986.60/x
  3. Step 3: Cross multiply
    2,776,020.20x = 4,164,030.30 × 1,356,986.60
  4. Step 4: Simplify right side
    2,776,020.20x = 5,650,533,319,093.98
  5. Step 5: Solve for x
    x = 5,650,533,319,093.98/2,776,020.20
  6. Step 6: Final answer
    x = 2,035,479.90

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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.