Finding the Fourth Proportional to 2,403,895.61, 3,317,376.11 and 1,316,167.26
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Solution
The fourth proportional to 2,403,895.61, 3,317,376.11 and 1,316,167.26 is: 1,816,310.91
Step by Step Solution
- Step 1: Write the proportion equation
2,403,895.61 : 3,317,376.11 = 1,316,167.26 : x - Step 2: Convert to fraction form
2,403,895.61/3,317,376.11 = 1,316,167.26/x - Step 3: Cross multiply
2,403,895.61x = 3,317,376.11 × 1,316,167.26 - Step 4: Simplify right side
2,403,895.61x = 4,366,221,818,507.32 - Step 5: Solve for x
x = 4,366,221,818,507.32/2,403,895.61 - Step 6: Final answer
x = 1,816,310.91
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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.