Finding the Fourth Proportional to 5,301,171.39, 7,315,424.49 and 3,239,635.95
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Solution
The fourth proportional to 5,301,171.39, 7,315,424.49 and 3,239,635.95 is: 4,470,580.26
Step by Step Solution
- Step 1: Write the proportion equation
5,301,171.39 : 7,315,424.49 = 3,239,635.95 : x - Step 2: Convert to fraction form
5,301,171.39/7,315,424.49 = 3,239,635.95/x - Step 3: Cross multiply
5,301,171.39x = 7,315,424.49 × 3,239,635.95 - Step 4: Simplify right side
5,301,171.39x = 23,699,312,167,314.42 - Step 5: Solve for x
x = 23,699,312,167,314.42/5,301,171.39 - Step 6: Final answer
x = 4,470,580.26
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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.