Home / 6,986,649.60-10,479,974.40-1,938,009.60

Finding the Fourth Proportional to 6,986,649.60, 10,479,974.40 and 1,938,009.60

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Solution

The fourth proportional to 6,986,649.60, 10,479,974.40 and 1,938,009.60 is: 2,907,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,649.60 : 10,479,974.40 = 1,938,009.60 : x
  2. Step 2: Convert to fraction form
    6,986,649.60/10,479,974.40 = 1,938,009.60/x
  3. Step 3: Cross multiply
    6,986,649.60x = 10,479,974.40 × 1,938,009.60
  4. Step 4: Simplify right side
    6,986,649.60x = 20,310,290,994,954.24
  5. Step 5: Solve for x
    x = 20,310,290,994,954.24/6,986,649.60
  6. Step 6: Final answer
    x = 2,907,014.40

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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.