Home / 2,909,406.60-4,014,693.72-1,620,366.93

Finding the Fourth Proportional to 2,909,406.60, 4,014,693.72 and 1,620,366.93

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Solution

The fourth proportional to 2,909,406.60, 4,014,693.72 and 1,620,366.93 is: 2,235,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,406.60 : 4,014,693.72 = 1,620,366.93 : x
  2. Step 2: Convert to fraction form
    2,909,406.60/4,014,693.72 = 1,620,366.93/x
  3. Step 3: Cross multiply
    2,909,406.60x = 4,014,693.72 × 1,620,366.93
  4. Step 4: Simplify right side
    2,909,406.60x = 6,505,276,937,966.68
  5. Step 5: Solve for x
    x = 6,505,276,937,966.68/2,909,406.60
  6. Step 6: Final answer
    x = 2,235,946.31

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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.