Finding the Fourth Proportional to 1,956,376.74, 2,699,827.48 and 1,181,899.90
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Solution
The fourth proportional to 1,956,376.74, 2,699,827.48 and 1,181,899.90 is: 1,631,038.52
Step by Step Solution
- Step 1: Write the proportion equation
1,956,376.74 : 2,699,827.48 = 1,181,899.90 : x - Step 2: Convert to fraction form
1,956,376.74/2,699,827.48 = 1,181,899.90/x - Step 3: Cross multiply
1,956,376.74x = 2,699,827.48 × 1,181,899.90 - Step 4: Simplify right side
1,956,376.74x = 3,190,925,828,629.25 - Step 5: Solve for x
x = 3,190,925,828,629.25/1,956,376.74 - Step 6: Final answer
x = 1,631,038.52
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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.