Finding the Fourth Proportional to 2,027,708.32, 2,798,543.76 and 1,168,395.68
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Solution
The fourth proportional to 2,027,708.32, 2,798,543.76 and 1,168,395.68 is: 1,612,562.52
Step by Step Solution
- Step 1: Write the proportion equation
2,027,708.32 : 2,798,543.76 = 1,168,395.68 : x - Step 2: Convert to fraction form
2,027,708.32/2,798,543.76 = 1,168,395.68/x - Step 3: Cross multiply
2,027,708.32x = 2,798,543.76 × 1,168,395.68 - Step 4: Simplify right side
2,027,708.32x = 3,269,806,439,474.96 - Step 5: Solve for x
x = 3,269,806,439,474.96/2,027,708.32 - Step 6: Final answer
x = 1,612,562.52
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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.