Finding the Fourth Proportional to 4,677,678.96, 7,017,392.88 and 1,481,947.08
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Solution
The fourth proportional to 4,677,678.96, 7,017,392.88 and 1,481,947.08 is: 2,223,197.65
Step by Step Solution
- Step 1: Write the proportion equation
4,677,678.96 : 7,017,392.88 = 1,481,947.08 : x - Step 2: Convert to fraction form
4,677,678.96/7,017,392.88 = 1,481,947.08/x - Step 3: Cross multiply
4,677,678.96x = 7,017,392.88 × 1,481,947.08 - Step 4: Simplify right side
4,677,678.96x = 10,399,404,887,728.79 - Step 5: Solve for x
x = 10,399,404,887,728.79/4,677,678.96 - Step 6: Final answer
x = 2,223,197.65
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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.