Finding the Fourth Proportional to 1,683,649.55, 2,323,349.52 and 919,555.49
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Solution
The fourth proportional to 1,683,649.55, 2,323,349.52 and 919,555.49 is: 1,268,939.14
Step by Step Solution
- Step 1: Write the proportion equation
1,683,649.55 : 2,323,349.52 = 919,555.49 : x - Step 2: Convert to fraction form
1,683,649.55/2,323,349.52 = 919,555.49/x - Step 3: Cross multiply
1,683,649.55x = 2,323,349.52 × 919,555.49 - Step 4: Simplify right side
1,683,649.55x = 2,136,448,806,304.86 - Step 5: Solve for x
x = 2,136,448,806,304.86/1,683,649.55 - Step 6: Final answer
x = 1,268,939.14
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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.