Finding the Fourth Proportional to 1,913,677.26, 2,640,862.35 and 1,054,217.58
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Solution
The fourth proportional to 1,913,677.26, 2,640,862.35 and 1,054,217.58 is: 1,454,813.50
Step by Step Solution
- Step 1: Write the proportion equation
1,913,677.26 : 2,640,862.35 = 1,054,217.58 : x - Step 2: Convert to fraction form
1,913,677.26/2,640,862.35 = 1,054,217.58/x - Step 3: Cross multiply
1,913,677.26x = 2,640,862.35 × 1,054,217.58 - Step 4: Simplify right side
1,913,677.26x = 2,784,043,515,730.11 - Step 5: Solve for x
x = 2,784,043,515,730.11/1,913,677.26 - Step 6: Final answer
x = 1,454,813.50
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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.