Finding the Fourth Proportional to 1,785,829.48, 2,678,727.90 and 720,116.84
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Solution
The fourth proportional to 1,785,829.48, 2,678,727.90 and 720,116.84 is: 1,080,168.68
Step by Step Solution
- Step 1: Write the proportion equation
1,785,829.48 : 2,678,727.90 = 720,116.84 : x - Step 2: Convert to fraction form
1,785,829.48/2,678,727.90 = 720,116.84/x - Step 3: Cross multiply
1,785,829.48x = 2,678,727.90 × 720,116.84 - Step 4: Simplify right side
1,785,829.48x = 1,928,997,070,567.84 - Step 5: Solve for x
x = 1,928,997,070,567.84/1,785,829.48 - Step 6: Final answer
x = 1,080,168.68
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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.