Finding the Fourth Proportional to 2,352,029.85, 3,245,407.76 and 1,385,352.62
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Solution
The fourth proportional to 2,352,029.85, 3,245,407.76 and 1,385,352.62 is: 1,911,554.87
Step by Step Solution
- Step 1: Write the proportion equation
2,352,029.85 : 3,245,407.76 = 1,385,352.62 : x - Step 2: Convert to fraction form
2,352,029.85/3,245,407.76 = 1,385,352.62/x - Step 3: Cross multiply
2,352,029.85x = 3,245,407.76 × 1,385,352.62 - Step 4: Simplify right side
2,352,029.85x = 4,496,034,120,130.53 - Step 5: Solve for x
x = 4,496,034,120,130.53/2,352,029.85 - Step 6: Final answer
x = 1,911,554.87
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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.