Finding the Fourth Proportional to 1,663,734.70, 2,295,955.40 and 899,788.26
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Solution
The fourth proportional to 1,663,734.70, 2,295,955.40 and 899,788.26 is: 1,241,708.62
Step by Step Solution
- Step 1: Write the proportion equation
1,663,734.70 : 2,295,955.40 = 899,788.26 : x - Step 2: Convert to fraction form
1,663,734.70/2,295,955.40 = 899,788.26/x - Step 3: Cross multiply
1,663,734.70x = 2,295,955.40 × 899,788.26 - Step 4: Simplify right side
1,663,734.70x = 2,065,873,709,904.66 - Step 5: Solve for x
x = 2,065,873,709,904.66/1,663,734.70 - Step 6: Final answer
x = 1,241,708.62
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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.