Finding the Fourth Proportional to 1,896,639.88, 2,617,357.74 and 1,025,468.48
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Solution
The fourth proportional to 1,896,639.88, 2,617,357.74 and 1,025,468.48 is: 1,415,143.63
Step by Step Solution
- Step 1: Write the proportion equation
1,896,639.88 : 2,617,357.74 = 1,025,468.48 : x - Step 2: Convert to fraction form
1,896,639.88/2,617,357.74 = 1,025,468.48/x - Step 3: Cross multiply
1,896,639.88x = 2,617,357.74 × 1,025,468.48 - Step 4: Simplify right side
1,896,639.88x = 2,684,017,850,167.25 - Step 5: Solve for x
x = 2,684,017,850,167.25/1,896,639.88 - Step 6: Final answer
x = 1,415,143.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.