Home / 2,009,919.20-3,014,878.80-1,159,613.60

Finding the Fourth Proportional to 2,009,919.20, 3,014,878.80 and 1,159,613.60

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Solution

The fourth proportional to 2,009,919.20, 3,014,878.80 and 1,159,613.60 is: 1,739,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,919.20 : 3,014,878.80 = 1,159,613.60 : x
  2. Step 2: Convert to fraction form
    2,009,919.20/3,014,878.80 = 1,159,613.60/x
  3. Step 3: Cross multiply
    2,009,919.20x = 3,014,878.80 × 1,159,613.60
  4. Step 4: Simplify right side
    2,009,919.20x = 3,496,094,458,831.68
  5. Step 5: Solve for x
    x = 3,496,094,458,831.68/2,009,919.20
  6. Step 6: Final answer
    x = 1,739,420.40

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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.