Finding the Fourth Proportional to 1,701,048.20, 2,344,216.68 and 1,216,772.55
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Solution
The fourth proportional to 1,701,048.20, 2,344,216.68 and 1,216,772.55 is: 1,676,835.80
Step by Step Solution
- Step 1: Write the proportion equation
1,701,048.20 : 2,344,216.68 = 1,216,772.55 : x - Step 2: Convert to fraction form
1,701,048.20/2,344,216.68 = 1,216,772.55/x - Step 3: Cross multiply
1,701,048.20x = 2,344,216.68 × 1,216,772.55 - Step 4: Simplify right side
1,701,048.20x = 2,852,378,507,476.13 - Step 5: Solve for x
x = 2,852,378,507,476.13/1,701,048.20 - Step 6: Final answer
x = 1,676,835.80
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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.