Finding the Fourth Proportional to 4,292,607.85, 6,438,911.78 and 1,300,403.05
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Solution
The fourth proportional to 4,292,607.85, 6,438,911.78 and 1,300,403.05 is: 1,950,604.58
Step by Step Solution
- Step 1: Write the proportion equation
4,292,607.85 : 6,438,911.78 = 1,300,403.05 : x - Step 2: Convert to fraction form
4,292,607.85/6,438,911.78 = 1,300,403.05/x - Step 3: Cross multiply
4,292,607.85x = 6,438,911.78 × 1,300,403.05 - Step 4: Simplify right side
4,292,607.85x = 8,373,180,510,890.91 - Step 5: Solve for x
x = 8,373,180,510,890.91/4,292,607.85 - Step 6: Final answer
x = 1,950,604.58
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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.