Finding the Fourth Proportional to 1,625,843.80, 2,243,802.28 and 900,918.92
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Solution
The fourth proportional to 1,625,843.80, 2,243,802.28 and 900,918.92 is: 1,243,344.49
Step by Step Solution
- Step 1: Write the proportion equation
1,625,843.80 : 2,243,802.28 = 900,918.92 : x - Step 2: Convert to fraction form
1,625,843.80/2,243,802.28 = 900,918.92/x - Step 3: Cross multiply
1,625,843.80x = 2,243,802.28 × 900,918.92 - Step 4: Simplify right side
1,625,843.80x = 2,021,483,926,791.14 - Step 5: Solve for x
x = 2,021,483,926,791.14/1,625,843.80 - Step 6: Final answer
x = 1,243,344.49
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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.