Finding the Fourth Proportional to 1,707,397.76, 2,356,699.68 and 1,127,044.48
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Solution
The fourth proportional to 1,707,397.76, 2,356,699.68 and 1,127,044.48 is: 1,555,645.34
Step by Step Solution
- Step 1: Write the proportion equation
1,707,397.76 : 2,356,699.68 = 1,127,044.48 : x - Step 2: Convert to fraction form
1,707,397.76/2,356,699.68 = 1,127,044.48/x - Step 3: Cross multiply
1,707,397.76x = 2,356,699.68 × 1,127,044.48 - Step 4: Simplify right side
1,707,397.76x = 2,656,105,365,361.77 - Step 5: Solve for x
x = 2,656,105,365,361.77/1,707,397.76 - Step 6: Final answer
x = 1,555,645.34
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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.