Finding the Fourth Proportional to 1,489,339.49, 2,055,201.57 and 835,904.79
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Solution
The fourth proportional to 1,489,339.49, 2,055,201.57 and 835,904.79 is: 1,153,499.83
Step by Step Solution
- Step 1: Write the proportion equation
1,489,339.49 : 2,055,201.57 = 835,904.79 : x - Step 2: Convert to fraction form
1,489,339.49/2,055,201.57 = 835,904.79/x - Step 3: Cross multiply
1,489,339.49x = 2,055,201.57 × 835,904.79 - Step 4: Simplify right side
1,489,339.49x = 1,717,952,836,778.52 - Step 5: Solve for x
x = 1,717,952,836,778.52/1,489,339.49 - Step 6: Final answer
x = 1,153,499.83
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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.