Finding the Fourth Proportional to 1,581,490.98, 2,182,613.85 and 902,529.54
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Solution
The fourth proportional to 1,581,490.98, 2,182,613.85 and 902,529.54 is: 1,245,579.96
Step by Step Solution
- Step 1: Write the proportion equation
1,581,490.98 : 2,182,613.85 = 902,529.54 : x - Step 2: Convert to fraction form
1,581,490.98/2,182,613.85 = 902,529.54/x - Step 3: Cross multiply
1,581,490.98x = 2,182,613.85 × 902,529.54 - Step 4: Simplify right side
1,581,490.98x = 1,969,873,474,038.13 - Step 5: Solve for x
x = 1,969,873,474,038.13/1,581,490.98 - Step 6: Final answer
x = 1,245,579.96
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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.