Finding the Fourth Proportional to 1,639,668.88, 2,262,746.49 and 914,497.96
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Solution
The fourth proportional to 1,639,668.88, 2,262,746.49 and 914,497.96 is: 1,262,009.10
Step by Step Solution
- Step 1: Write the proportion equation
1,639,668.88 : 2,262,746.49 = 914,497.96 : x - Step 2: Convert to fraction form
1,639,668.88/2,262,746.49 = 914,497.96/x - Step 3: Cross multiply
1,639,668.88x = 2,262,746.49 × 914,497.96 - Step 4: Simplify right side
1,639,668.88x = 2,069,277,049,102.16 - Step 5: Solve for x
x = 2,069,277,049,102.16/1,639,668.88 - Step 6: Final answer
x = 1,262,009.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.