Finding the Fourth Proportional to 1,913,245.84, 2,640,279.11 and 1,053,806.10
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Solution
The fourth proportional to 1,913,245.84, 2,640,279.11 and 1,053,806.10 is: 1,454,252.34
Step by Step Solution
- Step 1: Write the proportion equation
1,913,245.84 : 2,640,279.11 = 1,053,806.10 : x - Step 2: Convert to fraction form
1,913,245.84/2,640,279.11 = 1,053,806.10/x - Step 3: Cross multiply
1,913,245.84x = 2,640,279.11 × 1,053,806.10 - Step 4: Simplify right side
1,913,245.84x = 2,782,342,240,393.55 - Step 5: Solve for x
x = 2,782,342,240,393.55/1,913,245.84 - Step 6: Final answer
x = 1,454,252.34
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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.