Finding the Fourth Proportional to 4,357,203.40, 6,521,830.20 and 2,330,379.28
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Solution
The fourth proportional to 4,357,203.40, 6,521,830.20 and 2,330,379.28 is: 3,488,094.67
Step by Step Solution
- Step 1: Write the proportion equation
4,357,203.40 : 6,521,830.20 = 2,330,379.28 : x - Step 2: Convert to fraction form
4,357,203.40/6,521,830.20 = 2,330,379.28/x - Step 3: Cross multiply
4,357,203.40x = 6,521,830.20 × 2,330,379.28 - Step 4: Simplify right side
4,357,203.40x = 15,198,337,965,758.26 - Step 5: Solve for x
x = 15,198,337,965,758.26/4,357,203.40 - Step 6: Final answer
x = 3,488,094.67
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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.