Finding the Fourth Proportional to 6,259,947.63, 9,391,268.60 and 1,941,911.79
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Solution
The fourth proportional to 6,259,947.63, 9,391,268.60 and 1,941,911.79 is: 2,913,285.59
Step by Step Solution
- Step 1: Write the proportion equation
6,259,947.63 : 9,391,268.60 = 1,941,911.79 : x - Step 2: Convert to fraction form
6,259,947.63/9,391,268.60 = 1,941,911.79/x - Step 3: Cross multiply
6,259,947.63x = 9,391,268.60 × 1,941,911.79 - Step 4: Simplify right side
6,259,947.63x = 18,237,015,207,687.24 - Step 5: Solve for x
x = 18,237,015,207,687.24/6,259,947.63 - Step 6: Final answer
x = 2,913,285.59
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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.