Finding the Fourth Proportional to 6,802,832.56, 9,388,123.95 and 3,705,448.99
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Solution
The fourth proportional to 6,802,832.56, 9,388,123.95 and 3,705,448.99 is: 5,113,636.72
Step by Step Solution
- Step 1: Write the proportion equation
6,802,832.56 : 9,388,123.95 = 3,705,448.99 : x - Step 2: Convert to fraction form
6,802,832.56/9,388,123.95 = 3,705,448.99/x - Step 3: Cross multiply
6,802,832.56x = 9,388,123.95 × 3,705,448.99 - Step 4: Simplify right side
6,802,832.56x = 34,787,214,408,522.31 - Step 5: Solve for x
x = 34,787,214,408,522.31/6,802,832.56 - Step 6: Final answer
x = 5,113,636.72
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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.