Finding the Fourth Proportional to 3,127,694.25, 4,314,935.34 and 1,903,017.99
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Solution
The fourth proportional to 3,127,694.25, 4,314,935.34 and 1,903,017.99 is: 2,625,384.36
Step by Step Solution
- Step 1: Write the proportion equation
3,127,694.25 : 4,314,935.34 = 1,903,017.99 : x - Step 2: Convert to fraction form
3,127,694.25/4,314,935.34 = 1,903,017.99/x - Step 3: Cross multiply
3,127,694.25x = 4,314,935.34 × 1,903,017.99 - Step 4: Simplify right side
3,127,694.25x = 8,211,399,577,706.77 - Step 5: Solve for x
x = 8,211,399,577,706.77/3,127,694.25 - Step 6: Final answer
x = 2,625,384.36
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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.