Finding the Fourth Proportional to 984,590.10, 1,473,932.70 and 926,197.20
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Solution
The fourth proportional to 984,590.10, 1,473,932.70 and 926,197.20 is: 1,386,518.45
Step by Step Solution
- Step 1: Write the proportion equation
984,590.10 : 1,473,932.70 = 926,197.20 : x - Step 2: Convert to fraction form
984,590.10/1,473,932.70 = 926,197.20/x - Step 3: Cross multiply
984,590.10x = 1,473,932.70 × 926,197.20 - Step 4: Simplify right side
984,590.10x = 1,365,152,339,728.44 - Step 5: Solve for x
x = 1,365,152,339,728.44/984,590.10 - Step 6: Final answer
x = 1,386,518.45
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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.