Finding the Fourth Proportional to 3,630,032.21, 5,009,365.62 and 1,998,377.12
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Solution
The fourth proportional to 3,630,032.21, 5,009,365.62 and 1,998,377.12 is: 2,757,717.03
Step by Step Solution
- Step 1: Write the proportion equation
3,630,032.21 : 5,009,365.62 = 1,998,377.12 : x - Step 2: Convert to fraction form
3,630,032.21/5,009,365.62 = 1,998,377.12/x - Step 3: Cross multiply
3,630,032.21x = 5,009,365.62 × 1,998,377.12 - Step 4: Simplify right side
3,630,032.21x = 10,010,601,653,246.03 - Step 5: Solve for x
x = 10,010,601,653,246.03/3,630,032.21 - Step 6: Final answer
x = 2,757,717.03
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1.5x scale
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.