Finding the Fourth Proportional to 1,471,142.23, 2,030,178.05 and 826,562.05
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Solution
The fourth proportional to 1,471,142.23, 2,030,178.05 and 826,562.05 is: 1,140,656.62
Step by Step Solution
- Step 1: Write the proportion equation
1,471,142.23 : 2,030,178.05 = 826,562.05 : x - Step 2: Convert to fraction form
1,471,142.23/2,030,178.05 = 826,562.05/x - Step 3: Cross multiply
1,471,142.23x = 2,030,178.05 × 826,562.05 - Step 4: Simplify right side
1,471,142.23x = 1,678,068,130,873.00 - Step 5: Solve for x
x = 1,678,068,130,873.00/1,471,142.23 - Step 6: Final answer
x = 1,140,656.62
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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.