Finding the Fourth Proportional to 2,012,901.13, 2,777,869.99 and 1,153,626.10
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Solution
The fourth proportional to 2,012,901.13, 2,777,869.99 and 1,153,626.10 is: 1,592,042.09
Step by Step Solution
- Step 1: Write the proportion equation
2,012,901.13 : 2,777,869.99 = 1,153,626.10 : x - Step 2: Convert to fraction form
2,012,901.13/2,777,869.99 = 1,153,626.10/x - Step 3: Cross multiply
2,012,901.13x = 2,777,869.99 × 1,153,626.10 - Step 4: Simplify right side
2,012,901.13x = 3,204,623,317,368.10 - Step 5: Solve for x
x = 3,204,623,317,368.10/2,012,901.13 - Step 6: Final answer
x = 1,592,042.09
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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.