Home / 3,210,084.60-4,815,345.60-1,021,480.80

Finding the Fourth Proportional to 3,210,084.60, 4,815,345.60 and 1,021,480.80

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Solution

The fourth proportional to 3,210,084.60, 4,815,345.60 and 1,021,480.80 is: 1,532,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,084.60 : 4,815,345.60 = 1,021,480.80 : x
  2. Step 2: Convert to fraction form
    3,210,084.60/4,815,345.60 = 1,021,480.80/x
  3. Step 3: Cross multiply
    3,210,084.60x = 4,815,345.60 × 1,021,480.80
  4. Step 4: Simplify right side
    3,210,084.60x = 4,918,783,075,764.48
  5. Step 5: Solve for x
    x = 4,918,783,075,764.48/3,210,084.60
  6. Step 6: Final answer
    x = 1,532,290.79

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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.