Finding the Fourth Proportional to 1,688,496.30, 2,330,081.99 and 943,428.23
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Solution
The fourth proportional to 1,688,496.30, 2,330,081.99 and 943,428.23 is: 1,301,906.99
Step by Step Solution
- Step 1: Write the proportion equation
1,688,496.30 : 2,330,081.99 = 943,428.23 : x - Step 2: Convert to fraction form
1,688,496.30/2,330,081.99 = 943,428.23/x - Step 3: Cross multiply
1,688,496.30x = 2,330,081.99 × 943,428.23 - Step 4: Simplify right side
1,688,496.30x = 2,198,265,128,795.47 - Step 5: Solve for x
x = 2,198,265,128,795.47/1,688,496.30 - Step 6: Final answer
x = 1,301,906.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.