Finding the Fourth Proportional to 6,269,781.80, 9,404,672.70 and 1,541,973.80
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Solution
The fourth proportional to 6,269,781.80, 9,404,672.70 and 1,541,973.80 is: 2,312,960.70
Step by Step Solution
- Step 1: Write the proportion equation
6,269,781.80 : 9,404,672.70 = 1,541,973.80 : x - Step 2: Convert to fraction form
6,269,781.80/9,404,672.70 = 1,541,973.80/x - Step 3: Cross multiply
6,269,781.80x = 9,404,672.70 × 1,541,973.80 - Step 4: Simplify right side
6,269,781.80x = 14,501,758,900,975.26 - Step 5: Solve for x
x = 14,501,758,900,975.26/6,269,781.80 - Step 6: Final answer
x = 2,312,960.70
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1.5x scale
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.