Finding the Fourth Proportional to 6,424,648.29, 9,637,888.23 and 2,107,036.31
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Solution
The fourth proportional to 6,424,648.29, 9,637,888.23 and 2,107,036.31 is: 3,160,854.80
Step by Step Solution
- Step 1: Write the proportion equation
6,424,648.29 : 9,637,888.23 = 2,107,036.31 : x - Step 2: Convert to fraction form
6,424,648.29/9,637,888.23 = 2,107,036.31/x - Step 3: Cross multiply
6,424,648.29x = 9,637,888.23 × 2,107,036.31 - Step 4: Simplify right side
6,424,648.29x = 20,307,380,404,142.19 - Step 5: Solve for x
x = 20,307,380,404,142.19/6,424,648.29 - Step 6: Final answer
x = 3,160,854.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.