Home / 2,909,437.96-4,014,736.80-1,620,398.32

Finding the Fourth Proportional to 2,909,437.96, 4,014,736.80 and 1,620,398.32

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Solution

The fourth proportional to 2,909,437.96, 4,014,736.80 and 1,620,398.32 is: 2,235,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,437.96 : 4,014,736.80 = 1,620,398.32 : x
  2. Step 2: Convert to fraction form
    2,909,437.96/4,014,736.80 = 1,620,398.32/x
  3. Step 3: Cross multiply
    2,909,437.96x = 4,014,736.80 × 1,620,398.32
  4. Step 4: Simplify right side
    2,909,437.96x = 6,505,472,765,962.18
  5. Step 5: Solve for x
    x = 6,505,472,765,962.18/2,909,437.96
  6. Step 6: Final answer
    x = 2,235,989.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.