Finding the Fourth Proportional to 5,364,138.30, 8,046,207.45 and 4,779,553.20
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Solution
The fourth proportional to 5,364,138.30, 8,046,207.45 and 4,779,553.20 is: 7,169,329.80
Step by Step Solution
- Step 1: Write the proportion equation
5,364,138.30 : 8,046,207.45 = 4,779,553.20 : x - Step 2: Convert to fraction form
5,364,138.30/8,046,207.45 = 4,779,553.20/x - Step 3: Cross multiply
5,364,138.30x = 8,046,207.45 × 4,779,553.20 - Step 4: Simplify right side
5,364,138.30x = 38,457,276,565,511.34 - Step 5: Solve for x
x = 38,457,276,565,511.34/5,364,138.30 - Step 6: Final answer
x = 7,169,329.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.