Finding the Fourth Proportional to 2,027,878.22, 2,795,490.47 and 1,543,599.87
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Solution
The fourth proportional to 2,027,878.22, 2,795,490.47 and 1,543,599.87 is: 2,127,898.35
Step by Step Solution
- Step 1: Write the proportion equation
2,027,878.22 : 2,795,490.47 = 1,543,599.87 : x - Step 2: Convert to fraction form
2,027,878.22/2,795,490.47 = 1,543,599.87/x - Step 3: Cross multiply
2,027,878.22x = 2,795,490.47 × 1,543,599.87 - Step 4: Simplify right side
2,027,878.22x = 4,315,118,726,078.24 - Step 5: Solve for x
x = 4,315,118,726,078.24/2,027,878.22 - Step 6: Final answer
x = 2,127,898.35
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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.