Finding the Fourth Proportional to 1,509,754.43, 2,083,518.45 and 865,298.99
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Solution
The fourth proportional to 1,509,754.43, 2,083,518.45 and 865,298.99 is: 1,194,145.47
Step by Step Solution
- Step 1: Write the proportion equation
1,509,754.43 : 2,083,518.45 = 865,298.99 : x - Step 2: Convert to fraction form
1,509,754.43/2,083,518.45 = 865,298.99/x - Step 3: Cross multiply
1,509,754.43x = 2,083,518.45 × 865,298.99 - Step 4: Simplify right side
1,509,754.43x = 1,802,866,400,013.77 - Step 5: Solve for x
x = 1,802,866,400,013.77/1,509,754.43 - Step 6: Final answer
x = 1,194,145.47
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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.