Finding the Fourth Proportional to 2,572,583.25, 3,855,446.05 and 1,357,874.32
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Solution
The fourth proportional to 2,572,583.25, 3,855,446.05 and 1,357,874.32 is: 2,035,001.66
Step by Step Solution
- Step 1: Write the proportion equation
2,572,583.25 : 3,855,446.05 = 1,357,874.32 : x - Step 2: Convert to fraction form
2,572,583.25/3,855,446.05 = 1,357,874.32/x - Step 3: Cross multiply
2,572,583.25x = 3,855,446.05 × 1,357,874.32 - Step 4: Simplify right side
2,572,583.25x = 5,235,211,183,440.44 - Step 5: Solve for x
x = 5,235,211,183,440.44/2,572,583.25 - Step 6: Final answer
x = 2,035,001.66
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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.