Finding the Fourth Proportional to 1,917,106.96, 2,645,589.36 and 1,057,674.16
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Solution
The fourth proportional to 1,917,106.96, 2,645,589.36 and 1,057,674.16 is: 1,459,580.28
Step by Step Solution
- Step 1: Write the proportion equation
1,917,106.96 : 2,645,589.36 = 1,057,674.16 : x - Step 2: Convert to fraction form
1,917,106.96/2,645,589.36 = 1,057,674.16/x - Step 3: Cross multiply
1,917,106.96x = 2,645,589.36 × 1,057,674.16 - Step 4: Simplify right side
1,917,106.96x = 2,798,171,504,042.94 - Step 5: Solve for x
x = 2,798,171,504,042.94/1,917,106.96 - Step 6: Final answer
x = 1,459,580.28
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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.