Finding the Fourth Proportional to 1,581,934.12, 2,183,181.06 and 902,972.68
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Solution
The fourth proportional to 1,581,934.12, 2,183,181.06 and 902,972.68 is: 1,246,166.21
Step by Step Solution
- Step 1: Write the proportion equation
1,581,934.12 : 2,183,181.06 = 902,972.68 : x - Step 2: Convert to fraction form
1,581,934.12/2,183,181.06 = 902,972.68/x - Step 3: Cross multiply
1,581,934.12x = 2,183,181.06 × 902,972.68 - Step 4: Simplify right side
1,581,934.12x = 1,971,352,852,673.44 - Step 5: Solve for x
x = 1,971,352,852,673.44/1,581,934.12 - Step 6: Final answer
x = 1,246,166.21
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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.