Finding the Fourth Proportional to 7,129,271.70, 10,693,907.55 and 4,294,919.70
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Solution
The fourth proportional to 7,129,271.70, 10,693,907.55 and 4,294,919.70 is: 6,442,379.55
Step by Step Solution
- Step 1: Write the proportion equation
7,129,271.70 : 10,693,907.55 = 4,294,919.70 : x - Step 2: Convert to fraction form
7,129,271.70/10,693,907.55 = 4,294,919.70/x - Step 3: Cross multiply
7,129,271.70x = 10,693,907.55 × 4,294,919.70 - Step 4: Simplify right side
7,129,271.70x = 45,929,474,206,473.74 - Step 5: Solve for x
x = 45,929,474,206,473.74/7,129,271.70 - Step 6: Final answer
x = 6,442,379.55
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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.