Finding the Fourth Proportional to 1,122,447.96, 1,549,012.17 and 613,183.14
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Solution
The fourth proportional to 1,122,447.96, 1,549,012.17 and 613,183.14 is: 846,211.30
Step by Step Solution
- Step 1: Write the proportion equation
1,122,447.96 : 1,549,012.17 = 613,183.14 : x - Step 2: Convert to fraction form
1,122,447.96/1,549,012.17 = 613,183.14/x - Step 3: Cross multiply
1,122,447.96x = 1,549,012.17 × 613,183.14 - Step 4: Simplify right side
1,122,447.96x = 949,828,146,298.81 - Step 5: Solve for x
x = 949,828,146,298.81/1,122,447.96 - Step 6: Final answer
x = 846,211.30
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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.