Finding the Fourth Proportional to 3,413,428.95, 4,710,674.99 and 1,963,125.38
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Solution
The fourth proportional to 3,413,428.95, 4,710,674.99 and 1,963,125.38 is: 2,709,195.28
Step by Step Solution
- Step 1: Write the proportion equation
3,413,428.95 : 4,710,674.99 = 1,963,125.38 : x - Step 2: Convert to fraction form
3,413,428.95/4,710,674.99 = 1,963,125.38/x - Step 3: Cross multiply
3,413,428.95x = 4,710,674.99 × 1,963,125.38 - Step 4: Simplify right side
3,413,428.95x = 9,247,645,596,431.24 - Step 5: Solve for x
x = 9,247,645,596,431.24/3,413,428.95 - Step 6: Final answer
x = 2,709,195.28
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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.