Finding the Fourth Proportional to 1,356,816.49, 1,873,282.95 and 841,121.48
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Solution
The fourth proportional to 1,356,816.49, 1,873,282.95 and 841,121.48 is: 1,161,290.82
Step by Step Solution
- Step 1: Write the proportion equation
1,356,816.49 : 1,873,282.95 = 841,121.48 : x - Step 2: Convert to fraction form
1,356,816.49/1,873,282.95 = 841,121.48/x - Step 3: Cross multiply
1,356,816.49x = 1,873,282.95 × 841,121.48 - Step 4: Simplify right side
1,356,816.49x = 1,575,658,532,045.97 - Step 5: Solve for x
x = 1,575,658,532,045.97/1,356,816.49 - Step 6: Final answer
x = 1,161,290.82
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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.