Finding the Fourth Proportional to 5,221,649.80, 7,205,897.46 and 2,929,660.84
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Solution
The fourth proportional to 5,221,649.80, 7,205,897.46 and 2,929,660.84 is: 4,042,943.59
Step by Step Solution
- Step 1: Write the proportion equation
5,221,649.80 : 7,205,897.46 = 2,929,660.84 : x - Step 2: Convert to fraction form
5,221,649.80/7,205,897.46 = 2,929,660.84/x - Step 3: Cross multiply
5,221,649.80x = 7,205,897.46 × 2,929,660.84 - Step 4: Simplify right side
5,221,649.80x = 21,110,835,605,617.46 - Step 5: Solve for x
x = 21,110,835,605,617.46/5,221,649.80 - Step 6: Final answer
x = 4,042,943.59
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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.