Finding the Fourth Proportional to 1,588,921.80, 2,383,382.70 and 1,431,457.80
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Solution
The fourth proportional to 1,588,921.80, 2,383,382.70 and 1,431,457.80 is: 2,147,186.70
Step by Step Solution
- Step 1: Write the proportion equation
1,588,921.80 : 2,383,382.70 = 1,431,457.80 : x - Step 2: Convert to fraction form
1,588,921.80/2,383,382.70 = 1,431,457.80/x - Step 3: Cross multiply
1,588,921.80x = 2,383,382.70 × 1,431,457.80 - Step 4: Simplify right side
1,588,921.80x = 3,411,711,756,300.06 - Step 5: Solve for x
x = 3,411,711,756,300.06/1,588,921.80 - Step 6: Final answer
x = 2,147,186.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.