Finding the Fourth Proportional to 1,489,795.74, 2,055,673.04 and 938,425.76
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Solution
The fourth proportional to 1,489,795.74, 2,055,673.04 and 938,425.76 is: 1,294,873.17
Step by Step Solution
- Step 1: Write the proportion equation
1,489,795.74 : 2,055,673.04 = 938,425.76 : x - Step 2: Convert to fraction form
1,489,795.74/2,055,673.04 = 938,425.76/x - Step 3: Cross multiply
1,489,795.74x = 2,055,673.04 × 938,425.76 - Step 4: Simplify right side
1,489,795.74x = 1,929,096,534,873.51 - Step 5: Solve for x
x = 1,929,096,534,873.51/1,489,795.74 - Step 6: Final answer
x = 1,294,873.17
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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.