Finding the Fourth Proportional to 1,565,532.74, 2,160,398.64 and 920,994.44
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Solution
The fourth proportional to 1,565,532.74, 2,160,398.64 and 920,994.44 is: 1,270,950.83
Step by Step Solution
- Step 1: Write the proportion equation
1,565,532.74 : 2,160,398.64 = 920,994.44 : x - Step 2: Convert to fraction form
1,565,532.74/2,160,398.64 = 920,994.44/x - Step 3: Cross multiply
1,565,532.74x = 2,160,398.64 × 920,994.44 - Step 4: Simplify right side
1,565,532.74x = 1,989,715,135,623.56 - Step 5: Solve for x
x = 1,989,715,135,623.56/1,565,532.74 - Step 6: Final answer
x = 1,270,950.83
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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.