Finding the Fourth Proportional to 1,578,052.14, 2,177,668.38 and 889,718.04
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Solution
The fourth proportional to 1,578,052.14, 2,177,668.38 and 889,718.04 is: 1,227,786.33
Step by Step Solution
- Step 1: Write the proportion equation
1,578,052.14 : 2,177,668.38 = 889,718.04 : x - Step 2: Convert to fraction form
1,578,052.14/2,177,668.38 = 889,718.04/x - Step 3: Cross multiply
1,578,052.14x = 2,177,668.38 × 889,718.04 - Step 4: Simplify right side
1,578,052.14x = 1,937,510,842,823.58 - Step 5: Solve for x
x = 1,937,510,842,823.58/1,578,052.14 - Step 6: Final answer
x = 1,227,786.33
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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.