Finding the Fourth Proportional to 1,731,216.36, 2,389,202.26 and 956,830.54
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Solution
The fourth proportional to 1,731,216.36, 2,389,202.26 and 956,830.54 is: 1,320,494.50
Step by Step Solution
- Step 1: Write the proportion equation
1,731,216.36 : 2,389,202.26 = 956,830.54 : x - Step 2: Convert to fraction form
1,731,216.36/2,389,202.26 = 956,830.54/x - Step 3: Cross multiply
1,731,216.36x = 2,389,202.26 × 956,830.54 - Step 4: Simplify right side
1,731,216.36x = 2,286,061,684,719.69 - Step 5: Solve for x
x = 2,286,061,684,719.69/1,731,216.36 - Step 6: Final answer
x = 1,320,494.50
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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.