Home / 2,319,987.60-3,477,216.60-972,147.60

Finding the Fourth Proportional to 2,319,987.60, 3,477,216.60 and 972,147.60

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Solution

The fourth proportional to 2,319,987.60, 3,477,216.60 and 972,147.60 is: 1,457,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,987.60 : 3,477,216.60 = 972,147.60 : x
  2. Step 2: Convert to fraction form
    2,319,987.60/3,477,216.60 = 972,147.60/x
  3. Step 3: Cross multiply
    2,319,987.60x = 3,477,216.60 × 972,147.60
  4. Step 4: Simplify right side
    2,319,987.60x = 3,380,367,772,370.16
  5. Step 5: Solve for x
    x = 3,380,367,772,370.16/2,319,987.60
  6. Step 6: Final answer
    x = 1,457,062.86

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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.