Finding the Fourth Proportional to 5,284,373.84, 7,292,885.64 and 2,992,942.16
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Solution
The fourth proportional to 5,284,373.84, 7,292,885.64 and 2,992,942.16 is: 4,130,514.90
Step by Step Solution
- Step 1: Write the proportion equation
5,284,373.84 : 7,292,885.64 = 2,992,942.16 : x - Step 2: Convert to fraction form
5,284,373.84/7,292,885.64 = 2,992,942.16/x - Step 3: Cross multiply
5,284,373.84x = 7,292,885.64 × 2,992,942.16 - Step 4: Simplify right side
5,284,373.84x = 21,827,184,900,014.58 - Step 5: Solve for x
x = 21,827,184,900,014.58/5,284,373.84 - Step 6: Final answer
x = 4,130,514.90
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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.