Finding the Fourth Proportional to 1,465,113.68, 2,198,419.90 and 697,478.73
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Solution
The fourth proportional to 1,465,113.68, 2,198,419.90 and 697,478.73 is: 1,046,574.84
Step by Step Solution
- Step 1: Write the proportion equation
1,465,113.68 : 2,198,419.90 = 697,478.73 : x - Step 2: Convert to fraction form
1,465,113.68/2,198,419.90 = 697,478.73/x - Step 3: Cross multiply
1,465,113.68x = 2,198,419.90 × 697,478.73 - Step 4: Simplify right side
1,465,113.68x = 1,533,351,119,858.73 - Step 5: Solve for x
x = 1,533,351,119,858.73/1,465,113.68 - Step 6: Final answer
x = 1,046,574.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.