Finding the Fourth Proportional to 1,521,663.36, 2,279,130.72 and 1,040,751.36
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Solution
The fourth proportional to 1,521,663.36, 2,279,130.72 and 1,040,751.36 is: 1,558,825.99
Step by Step Solution
- Step 1: Write the proportion equation
1,521,663.36 : 2,279,130.72 = 1,040,751.36 : x - Step 2: Convert to fraction form
1,521,663.36/2,279,130.72 = 1,040,751.36/x - Step 3: Cross multiply
1,521,663.36x = 2,279,130.72 × 1,040,751.36 - Step 4: Simplify right side
1,521,663.36x = 2,372,008,396,457.78 - Step 5: Solve for x
x = 2,372,008,396,457.78/1,521,663.36 - Step 6: Final answer
x = 1,558,825.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.