Finding the Fourth Proportional to 1,926,509.63, 2,658,583.24 and 1,067,125.25
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Solution
The fourth proportional to 1,926,509.63, 2,658,583.24 and 1,067,125.25 is: 1,472,632.82
Step by Step Solution
- Step 1: Write the proportion equation
1,926,509.63 : 2,658,583.24 = 1,067,125.25 : x - Step 2: Convert to fraction form
1,926,509.63/2,658,583.24 = 1,067,125.25/x - Step 3: Cross multiply
1,926,509.63x = 2,658,583.24 × 1,067,125.25 - Step 4: Simplify right side
1,926,509.63x = 2,837,041,304,630.81 - Step 5: Solve for x
x = 2,837,041,304,630.81/1,926,509.63 - Step 6: Final answer
x = 1,472,632.82
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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.