Finding the Fourth Proportional to 1,764,873.69, 2,435,574.16 and 990,552.67
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Solution
The fourth proportional to 1,764,873.69, 2,435,574.16 and 990,552.67 is: 1,366,989.88
Step by Step Solution
- Step 1: Write the proportion equation
1,764,873.69 : 2,435,574.16 = 990,552.67 : x - Step 2: Convert to fraction form
1,764,873.69/2,435,574.16 = 990,552.67/x - Step 3: Cross multiply
1,764,873.69x = 2,435,574.16 × 990,552.67 - Step 4: Simplify right side
1,764,873.69x = 2,412,564,474,993.14 - Step 5: Solve for x
x = 2,412,564,474,993.14/1,764,873.69 - Step 6: Final answer
x = 1,366,989.88
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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.