Finding the Fourth Proportional to 3,889,208.20, 5,832,062.70 and 1,492,256.20
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Solution
The fourth proportional to 3,889,208.20, 5,832,062.70 and 1,492,256.20 is: 2,237,712.99
Step by Step Solution
- Step 1: Write the proportion equation
3,889,208.20 : 5,832,062.70 = 1,492,256.20 : x - Step 2: Convert to fraction form
3,889,208.20/5,832,062.70 = 1,492,256.20/x - Step 3: Cross multiply
3,889,208.20x = 5,832,062.70 × 1,492,256.20 - Step 4: Simplify right side
3,889,208.20x = 8,702,931,722,863.74 - Step 5: Solve for x
x = 8,702,931,722,863.74/3,889,208.20 - Step 6: Final answer
x = 2,237,712.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.