Finding the Fourth Proportional to 1,954,090.91, 2,696,644.91 and 1,071,034.99
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Solution
The fourth proportional to 1,954,090.91, 2,696,644.91 and 1,071,034.99 is: 1,478,027.98
Step by Step Solution
- Step 1: Write the proportion equation
1,954,090.91 : 2,696,644.91 = 1,071,034.99 : x - Step 2: Convert to fraction form
1,954,090.91/2,696,644.91 = 1,071,034.99/x - Step 3: Cross multiply
1,954,090.91x = 2,696,644.91 × 1,071,034.99 - Step 4: Simplify right side
1,954,090.91x = 2,888,201,050,151.38 - Step 5: Solve for x
x = 2,888,201,050,151.38/1,954,090.91 - Step 6: Final answer
x = 1,478,027.98
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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.