Finding the Fourth Proportional to 5,221,207.58, 7,205,154.73 and 2,897,964.62
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Solution
The fourth proportional to 5,221,207.58, 7,205,154.73 and 2,897,964.62 is: 3,999,129.16
Step by Step Solution
- Step 1: Write the proportion equation
5,221,207.58 : 7,205,154.73 = 2,897,964.62 : x - Step 2: Convert to fraction form
5,221,207.58/7,205,154.73 = 2,897,964.62/x - Step 3: Cross multiply
5,221,207.58x = 7,205,154.73 × 2,897,964.62 - Step 4: Simplify right side
5,221,207.58x = 20,880,283,452,649.80 - Step 5: Solve for x
x = 20,880,283,452,649.80/5,221,207.58 - Step 6: Final answer
x = 3,999,129.16
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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.