Finding the Fourth Proportional to 2,898,396.36, 3,993,207.51 and 2,242,768.20
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Solution
The fourth proportional to 2,898,396.36, 3,993,207.51 and 2,242,768.20 is: 3,089,928.95
Step by Step Solution
- Step 1: Write the proportion equation
2,898,396.36 : 3,993,207.51 = 2,242,768.20 : x - Step 2: Convert to fraction form
2,898,396.36/3,993,207.51 = 2,242,768.20/x - Step 3: Cross multiply
2,898,396.36x = 3,993,207.51 × 2,242,768.20 - Step 4: Simplify right side
2,898,396.36x = 8,955,838,819,429.18 - Step 5: Solve for x
x = 8,955,838,819,429.18/2,898,396.36 - Step 6: Final answer
x = 3,089,928.95
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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.