Finding the Fourth Proportional to 1,581,663.63, 2,182,697.00 and 856,512.14
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Solution
The fourth proportional to 1,581,663.63, 2,182,697.00 and 856,512.14 is: 1,181,987.39
Step by Step Solution
- Step 1: Write the proportion equation
1,581,663.63 : 2,182,697.00 = 856,512.14 : x - Step 2: Convert to fraction form
1,581,663.63/2,182,697.00 = 856,512.14/x - Step 3: Cross multiply
1,581,663.63x = 2,182,697.00 × 856,512.14 - Step 4: Simplify right side
1,581,663.63x = 1,869,506,463,245.53 - Step 5: Solve for x
x = 1,869,506,463,245.53/1,581,663.63 - Step 6: Final answer
x = 1,181,987.39
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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.