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Finding the Fourth Proportional to 3,503,698.09, 4,835,116.74 and 1,955,025.05

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Solution

The fourth proportional to 3,503,698.09, 4,835,116.74 and 1,955,025.05 is: 2,697,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,698.09 : 4,835,116.74 = 1,955,025.05 : x
  2. Step 2: Convert to fraction form
    3,503,698.09/4,835,116.74 = 1,955,025.05/x
  3. Step 3: Cross multiply
    3,503,698.09x = 4,835,116.74 × 1,955,025.05
  4. Step 4: Simplify right side
    3,503,698.09x = 9,452,774,346,374.34
  5. Step 5: Solve for x
    x = 9,452,774,346,374.34/3,503,698.09
  6. Step 6: Final answer
    x = 2,697,942.03

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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.