Finding the Fourth Proportional to 1,509,688.84, 2,083,420.44 and 865,232.56
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Solution
The fourth proportional to 1,509,688.84, 2,083,420.44 and 865,232.56 is: 1,194,049.50
Step by Step Solution
- Step 1: Write the proportion equation
1,509,688.84 : 2,083,420.44 = 865,232.56 : x - Step 2: Convert to fraction form
1,509,688.84/2,083,420.44 = 865,232.56/x - Step 3: Cross multiply
1,509,688.84x = 2,083,420.44 × 865,232.56 - Step 4: Simplify right side
1,509,688.84x = 1,802,643,200,857.53 - Step 5: Solve for x
x = 1,802,643,200,857.53/1,509,688.84 - Step 6: Final answer
x = 1,194,049.50
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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.