Finding the Fourth Proportional to 1,585,610.36, 2,188,143.78 and 906,561.08
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Solution
The fourth proportional to 1,585,610.36, 2,188,143.78 and 906,561.08 is: 1,251,055.14
Step by Step Solution
- Step 1: Write the proportion equation
1,585,610.36 : 2,188,143.78 = 906,561.08 : x - Step 2: Convert to fraction form
1,585,610.36/2,188,143.78 = 906,561.08/x - Step 3: Cross multiply
1,585,610.36x = 2,188,143.78 × 906,561.08 - Step 4: Simplify right side
1,585,610.36x = 1,983,685,988,392.08 - Step 5: Solve for x
x = 1,983,685,988,392.08/1,585,610.36 - Step 6: Final answer
x = 1,251,055.14
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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.