Finding the Fourth Proportional to 3,557,159.81, 5,335,721.87 and 861,484.94
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Solution
The fourth proportional to 3,557,159.81, 5,335,721.87 and 861,484.94 is: 1,292,223.09
Step by Step Solution
- Step 1: Write the proportion equation
3,557,159.81 : 5,335,721.87 = 861,484.94 : x - Step 2: Convert to fraction form
3,557,159.81/5,335,721.87 = 861,484.94/x - Step 3: Cross multiply
3,557,159.81x = 5,335,721.87 × 861,484.94 - Step 4: Simplify right side
3,557,159.81x = 4,596,644,030,726.21 - Step 5: Solve for x
x = 4,596,644,030,726.21/3,557,159.81 - Step 6: Final answer
x = 1,292,223.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.