Finding the Fourth Proportional to 4,917,753.50, 7,372,164.60 and 1,721,135.88
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Solution
The fourth proportional to 4,917,753.50, 7,372,164.60 and 1,721,135.88 is: 2,580,140.92
Step by Step Solution
- Step 1: Write the proportion equation
4,917,753.50 : 7,372,164.60 = 1,721,135.88 : x - Step 2: Convert to fraction form
4,917,753.50/7,372,164.60 = 1,721,135.88/x - Step 3: Cross multiply
4,917,753.50x = 7,372,164.60 × 1,721,135.88 - Step 4: Simplify right side
4,917,753.50x = 12,688,497,006,325.85 - Step 5: Solve for x
x = 12,688,497,006,325.85/4,917,753.50 - Step 6: Final answer
x = 2,580,140.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.