Finding the Fourth Proportional to 3,159,100.36, 4,359,542.07 and 1,708,791.31
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Solution
The fourth proportional to 3,159,100.36, 4,359,542.07 and 1,708,791.31 is: 2,358,123.12
Step by Step Solution
- Step 1: Write the proportion equation
3,159,100.36 : 4,359,542.07 = 1,708,791.31 : x - Step 2: Convert to fraction form
3,159,100.36/4,359,542.07 = 1,708,791.31/x - Step 3: Cross multiply
3,159,100.36x = 4,359,542.07 × 1,708,791.31 - Step 4: Simplify right side
3,159,100.36x = 7,449,547,604,795.41 - Step 5: Solve for x
x = 7,449,547,604,795.41/3,159,100.36 - Step 6: Final answer
x = 2,358,123.12
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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.