Finding the Fourth Proportional to 1,557,306, 2,149,085.16 and 841,914
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Solution
The fourth proportional to 1,557,306, 2,149,085.16 and 841,914 is: 1,161,842.88
Step by Step Solution
- Step 1: Write the proportion equation
1,557,306 : 2,149,085.16 = 841,914 : x - Step 2: Convert to fraction form
1,557,306/2,149,085.16 = 841,914/x - Step 3: Cross multiply
1,557,306x = 2,149,085.16 × 841,914 - Step 4: Simplify right side
1,557,306x = 1,809,344,883,396.24 - Step 5: Solve for x
x = 1,809,344,883,396.24/1,557,306 - Step 6: Final answer
x = 1,161,842.88
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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.