Finding the Fourth Proportional to 5,519,754.51, 7,617,261.63 and 3,072,312.88
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Solution
The fourth proportional to 5,519,754.51, 7,617,261.63 and 3,072,312.88 is: 4,239,792.00
Step by Step Solution
- Step 1: Write the proportion equation
5,519,754.51 : 7,617,261.63 = 3,072,312.88 : x - Step 2: Convert to fraction form
5,519,754.51/7,617,261.63 = 3,072,312.88/x - Step 3: Cross multiply
5,519,754.51x = 7,617,261.63 × 3,072,312.88 - Step 4: Simplify right side
5,519,754.51x = 23,402,611,016,178.79 - Step 5: Solve for x
x = 23,402,611,016,178.79/5,519,754.51 - Step 6: Final answer
x = 4,239,792.00
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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.