Finding the Fourth Proportional to 3,736,918.58, 5,156,947.65 and 2,018,039.09
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Solution
The fourth proportional to 3,736,918.58, 5,156,947.65 and 2,018,039.09 is: 2,784,893.95
Step by Step Solution
- Step 1: Write the proportion equation
3,736,918.58 : 5,156,947.65 = 2,018,039.09 : x - Step 2: Convert to fraction form
3,736,918.58/5,156,947.65 = 2,018,039.09/x - Step 3: Cross multiply
3,736,918.58x = 5,156,947.65 × 2,018,039.09 - Step 4: Simplify right side
3,736,918.58x = 10,406,921,942,783.64 - Step 5: Solve for x
x = 10,406,921,942,783.64/3,736,918.58 - Step 6: Final answer
x = 2,784,893.95
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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.