Finding the Fourth Proportional to 1,508,795.93, 2,081,980.91 and 864,243.29
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Solution
The fourth proportional to 1,508,795.93, 2,081,980.91 and 864,243.29 is: 1,192,565.53
Step by Step Solution
- Step 1: Write the proportion equation
1,508,795.93 : 2,081,980.91 = 864,243.29 : x - Step 2: Convert to fraction form
1,508,795.93/2,081,980.91 = 864,243.29/x - Step 3: Cross multiply
1,508,795.93x = 2,081,980.91 × 864,243.29 - Step 4: Simplify right side
1,508,795.93x = 1,799,338,016,644.47 - Step 5: Solve for x
x = 1,799,338,016,644.47/1,508,795.93 - Step 6: Final answer
x = 1,192,565.53
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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.