Finding the Fourth Proportional to 6,326,991.72, 8,731,235.28 and 3,426,373.68
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Solution
The fourth proportional to 6,326,991.72, 8,731,235.28 and 3,426,373.68 is: 4,728,388.48
Step by Step Solution
- Step 1: Write the proportion equation
6,326,991.72 : 8,731,235.28 = 3,426,373.68 : x - Step 2: Convert to fraction form
6,326,991.72/8,731,235.28 = 3,426,373.68/x - Step 3: Cross multiply
6,326,991.72x = 8,731,235.28 × 3,426,373.68 - Step 4: Simplify right side
6,326,991.72x = 29,916,474,757,279.43 - Step 5: Solve for x
x = 29,916,474,757,279.43/6,326,991.72 - Step 6: Final answer
x = 4,728,388.48
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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.