Finding the Fourth Proportional to 1,424,323.26, 2,136,484.82 and 477,691.25
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Solution
The fourth proportional to 1,424,323.26, 2,136,484.82 and 477,691.25 is: 716,536.84
Step by Step Solution
- Step 1: Write the proportion equation
1,424,323.26 : 2,136,484.82 = 477,691.25 : x - Step 2: Convert to fraction form
1,424,323.26/2,136,484.82 = 477,691.25/x - Step 3: Cross multiply
1,424,323.26x = 2,136,484.82 × 477,691.25 - Step 4: Simplify right side
1,424,323.26x = 1,020,580,094,783.63 - Step 5: Solve for x
x = 1,020,580,094,783.63/1,424,323.26 - Step 6: Final answer
x = 716,536.84
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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.