Finding the Fourth Proportional to 5,911,143.36, 8,157,374.28 and 3,194,889.36
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Solution
The fourth proportional to 5,911,143.36, 8,157,374.28 and 3,194,889.36 is: 4,408,945.39
Step by Step Solution
- Step 1: Write the proportion equation
5,911,143.36 : 8,157,374.28 = 3,194,889.36 : x - Step 2: Convert to fraction form
5,911,143.36/8,157,374.28 = 3,194,889.36/x - Step 3: Cross multiply
5,911,143.36x = 8,157,374.28 × 3,194,889.36 - Step 4: Simplify right side
5,911,143.36x = 26,061,908,292,709.66 - Step 5: Solve for x
x = 26,061,908,292,709.66/5,911,143.36 - Step 6: Final answer
x = 4,408,945.39
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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.