Finding the Fourth Proportional to 1,490,294.70, 2,236,426.20 and 850,597.20
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Solution
The fourth proportional to 1,490,294.70, 2,236,426.20 and 850,597.20 is: 1,276,457.51
Step by Step Solution
- Step 1: Write the proportion equation
1,490,294.70 : 2,236,426.20 = 850,597.20 : x - Step 2: Convert to fraction form
1,490,294.70/2,236,426.20 = 850,597.20/x - Step 3: Cross multiply
1,490,294.70x = 2,236,426.20 × 850,597.20 - Step 4: Simplify right side
1,490,294.70x = 1,902,297,863,726.64 - Step 5: Solve for x
x = 1,902,297,863,726.64/1,490,294.70 - Step 6: Final answer
x = 1,276,457.51
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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.