Finding the Fourth Proportional to 4,830,126.80, 7,251,521.40 and 3,239,805.20
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Solution
The fourth proportional to 4,830,126.80, 7,251,521.40 and 3,239,805.20 is: 4,863,954.45
Step by Step Solution
- Step 1: Write the proportion equation
4,830,126.80 : 7,251,521.40 = 3,239,805.20 : x - Step 2: Convert to fraction form
4,830,126.80/7,251,521.40 = 3,239,805.20/x - Step 3: Cross multiply
4,830,126.80x = 7,251,521.40 × 3,239,805.20 - Step 4: Simplify right side
4,830,126.80x = 23,493,516,739,631.28 - Step 5: Solve for x
x = 23,493,516,739,631.28/4,830,126.80 - Step 6: Final answer
x = 4,863,954.45
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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.