Finding the Fourth Proportional to 4,251,391.68, 5,866,625.16 and 2,391,085.20
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Solution
The fourth proportional to 4,251,391.68, 5,866,625.16 and 2,391,085.20 is: 3,299,531.46
Step by Step Solution
- Step 1: Write the proportion equation
4,251,391.68 : 5,866,625.16 = 2,391,085.20 : x - Step 2: Convert to fraction form
4,251,391.68/5,866,625.16 = 2,391,085.20/x - Step 3: Cross multiply
4,251,391.68x = 5,866,625.16 × 2,391,085.20 - Step 4: Simplify right side
4,251,391.68x = 14,027,600,594,023.63 - Step 5: Solve for x
x = 14,027,600,594,023.63/4,251,391.68 - Step 6: Final answer
x = 3,299,531.46
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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.