Finding the Fourth Proportional to 5,322,402.79, 7,344,918.55 and 2,875,013.71
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Solution
The fourth proportional to 5,322,402.79, 7,344,918.55 and 2,875,013.71 is: 3,967,520.38
Step by Step Solution
- Step 1: Write the proportion equation
5,322,402.79 : 7,344,918.55 = 2,875,013.71 : x - Step 2: Convert to fraction form
5,322,402.79/7,344,918.55 = 2,875,013.71/x - Step 3: Cross multiply
5,322,402.79x = 7,344,918.55 × 2,875,013.71 - Step 4: Simplify right side
5,322,402.79x = 21,116,741,515,708.25 - Step 5: Solve for x
x = 21,116,741,515,708.25/5,322,402.79 - Step 6: Final answer
x = 3,967,520.38
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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.