Finding the Fourth Proportional to 1,486,834.34, 2,051,841.21 and 807,770.66
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Solution
The fourth proportional to 1,486,834.34, 2,051,841.21 and 807,770.66 is: 1,114,728.85
Step by Step Solution
- Step 1: Write the proportion equation
1,486,834.34 : 2,051,841.21 = 807,770.66 : x - Step 2: Convert to fraction form
1,486,834.34/2,051,841.21 = 807,770.66/x - Step 3: Cross multiply
1,486,834.34x = 2,051,841.21 × 807,770.66 - Step 4: Simplify right side
1,486,834.34x = 1,657,417,128,416.90 - Step 5: Solve for x
x = 1,657,417,128,416.90/1,486,834.34 - Step 6: Final answer
x = 1,114,728.85
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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.