Finding the Fourth Proportional to 1,708,245.18, 2,357,265.96 and 982,975.82
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Solution
The fourth proportional to 1,708,245.18, 2,357,265.96 and 982,975.82 is: 1,356,441.95
Step by Step Solution
- Step 1: Write the proportion equation
1,708,245.18 : 2,357,265.96 = 982,975.82 : x - Step 2: Convert to fraction form
1,708,245.18/2,357,265.96 = 982,975.82/x - Step 3: Cross multiply
1,708,245.18x = 2,357,265.96 × 982,975.82 - Step 4: Simplify right side
1,708,245.18x = 2,317,135,428,202.76 - Step 5: Solve for x
x = 2,317,135,428,202.76/1,708,245.18 - Step 6: Final answer
x = 1,356,441.95
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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.