Finding the Fourth Proportional to 1,790,873.94, 2,471,382.84 and 975,068.28
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Solution
The fourth proportional to 1,790,873.94, 2,471,382.84 and 975,068.28 is: 1,345,581.60
Step by Step Solution
- Step 1: Write the proportion equation
1,790,873.94 : 2,471,382.84 = 975,068.28 : x - Step 2: Convert to fraction form
1,790,873.94/2,471,382.84 = 975,068.28/x - Step 3: Cross multiply
1,790,873.94x = 2,471,382.84 × 975,068.28 - Step 4: Simplify right side
1,790,873.94x = 2,409,767,015,020.32 - Step 5: Solve for x
x = 2,409,767,015,020.32/1,790,873.94 - Step 6: Final answer
x = 1,345,581.60
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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.