Finding the Fourth Proportional to 1,907,197.47, 2,631,933.57 and 1,047,813.09
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Solution
The fourth proportional to 1,907,197.47, 2,631,933.57 and 1,047,813.09 is: 1,445,982.65
Step by Step Solution
- Step 1: Write the proportion equation
1,907,197.47 : 2,631,933.57 = 1,047,813.09 : x - Step 2: Convert to fraction form
1,907,197.47/2,631,933.57 = 1,047,813.09/x - Step 3: Cross multiply
1,907,197.47x = 2,631,933.57 × 1,047,813.09 - Step 4: Simplify right side
1,907,197.47x = 2,757,774,446,656.43 - Step 5: Solve for x
x = 2,757,774,446,656.43/1,907,197.47 - Step 6: Final answer
x = 1,445,982.65
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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.