Finding the Fourth Proportional to 1,610,139.35, 2,222,202.53 and 1,038,841.49
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Solution
The fourth proportional to 1,610,139.35, 2,222,202.53 and 1,038,841.49 is: 1,433,736.89
Step by Step Solution
- Step 1: Write the proportion equation
1,610,139.35 : 2,222,202.53 = 1,038,841.49 : x - Step 2: Convert to fraction form
1,610,139.35/2,222,202.53 = 1,038,841.49/x - Step 3: Cross multiply
1,610,139.35x = 2,222,202.53 × 1,038,841.49 - Step 4: Simplify right side
1,610,139.35x = 2,308,516,187,346.97 - Step 5: Solve for x
x = 2,308,516,187,346.97/1,610,139.35 - Step 6: Final answer
x = 1,433,736.89
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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.