Finding the Fourth Proportional to 2,127,402.80, 3,191,694.64 and 1,181,437.84
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Solution
The fourth proportional to 2,127,402.80, 3,191,694.64 and 1,181,437.84 is: 1,772,484.66
Step by Step Solution
- Step 1: Write the proportion equation
2,127,402.80 : 3,191,694.64 = 1,181,437.84 : x - Step 2: Convert to fraction form
2,127,402.80/3,191,694.64 = 1,181,437.84/x - Step 3: Cross multiply
2,127,402.80x = 3,191,694.64 × 1,181,437.84 - Step 4: Simplify right side
2,127,402.80x = 3,770,788,821,421.18 - Step 5: Solve for x
x = 3,770,788,821,421.18/2,127,402.80 - Step 6: Final answer
x = 1,772,484.66
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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.