Finding the Fourth Proportional to 2,590,862.54, 3,889,661.51 and 1,992,244.08
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Solution
The fourth proportional to 2,590,862.54, 3,889,661.51 and 1,992,244.08 is: 2,990,955.71
Step by Step Solution
- Step 1: Write the proportion equation
2,590,862.54 : 3,889,661.51 = 1,992,244.08 : x - Step 2: Convert to fraction form
2,590,862.54/3,889,661.51 = 1,992,244.08/x - Step 3: Cross multiply
2,590,862.54x = 3,889,661.51 × 1,992,244.08 - Step 4: Simplify right side
2,590,862.54x = 7,749,155,091,953.91 - Step 5: Solve for x
x = 7,749,155,091,953.91/2,590,862.54 - Step 6: Final answer
x = 2,990,955.71
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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.