Finding the Fourth Proportional to 2,473,655.54, 3,420,516.21 and 1,963,472.18
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Solution
The fourth proportional to 2,473,655.54, 3,420,516.21 and 1,963,472.18 is: 2,715,045.94
Step by Step Solution
- Step 1: Write the proportion equation
2,473,655.54 : 3,420,516.21 = 1,963,472.18 : x - Step 2: Convert to fraction form
2,473,655.54/3,420,516.21 = 1,963,472.18/x - Step 3: Cross multiply
2,473,655.54x = 3,420,516.21 × 1,963,472.18 - Step 4: Simplify right side
2,473,655.54x = 6,716,088,419,574.04 - Step 5: Solve for x
x = 6,716,088,419,574.04/2,473,655.54 - Step 6: Final answer
x = 2,715,045.94
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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.