Finding the Fourth Proportional to 2,154,051.18, 2,972,707.56 and 1,236,272.99
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Solution
The fourth proportional to 2,154,051.18, 2,972,707.56 and 1,236,272.99 is: 1,706,123.83
Step by Step Solution
- Step 1: Write the proportion equation
2,154,051.18 : 2,972,707.56 = 1,236,272.99 : x - Step 2: Convert to fraction form
2,154,051.18/2,972,707.56 = 1,236,272.99/x - Step 3: Cross multiply
2,154,051.18x = 2,972,707.56 × 1,236,272.99 - Step 4: Simplify right side
2,154,051.18x = 3,675,078,048,733.27 - Step 5: Solve for x
x = 3,675,078,048,733.27/2,154,051.18 - Step 6: Final answer
x = 1,706,123.83
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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.