Finding the Fourth Proportional to 1,889,252.57, 2,607,168.62 and 1,029,812.82
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Solution
The fourth proportional to 1,889,252.57, 2,607,168.62 and 1,029,812.82 is: 1,421,141.73
Step by Step Solution
- Step 1: Write the proportion equation
1,889,252.57 : 2,607,168.62 = 1,029,812.82 : x - Step 2: Convert to fraction form
1,889,252.57/2,607,168.62 = 1,029,812.82/x - Step 3: Cross multiply
1,889,252.57x = 2,607,168.62 × 1,029,812.82 - Step 4: Simplify right side
1,889,252.57x = 2,684,895,661,575.36 - Step 5: Solve for x
x = 2,684,895,661,575.36/1,889,252.57 - Step 6: Final answer
x = 1,421,141.73
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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.