Finding the Fourth Proportional to 1,386,502.93, 2,078,863.86 and 577,448.23
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Solution
The fourth proportional to 1,386,502.93, 2,078,863.86 and 577,448.23 is: 865,801.46
Step by Step Solution
- Step 1: Write the proportion equation
1,386,502.93 : 2,078,863.86 = 577,448.23 : x - Step 2: Convert to fraction form
1,386,502.93/2,078,863.86 = 577,448.23/x - Step 3: Cross multiply
1,386,502.93x = 2,078,863.86 × 577,448.23 - Step 4: Simplify right side
1,386,502.93x = 1,200,436,256,367.97 - Step 5: Solve for x
x = 1,200,436,256,367.97/1,386,502.93 - Step 6: Final answer
x = 865,801.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.