Finding the Fourth Proportional to 3,539,423.80, 5,309,135.70 and 880,031.80
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Solution
The fourth proportional to 3,539,423.80, 5,309,135.70 and 880,031.80 is: 1,320,047.70
Step by Step Solution
- Step 1: Write the proportion equation
3,539,423.80 : 5,309,135.70 = 880,031.80 : x - Step 2: Convert to fraction form
3,539,423.80/5,309,135.70 = 880,031.80/x - Step 3: Cross multiply
3,539,423.80x = 5,309,135.70 × 880,031.80 - Step 4: Simplify right side
3,539,423.80x = 4,672,208,246,515.26 - Step 5: Solve for x
x = 4,672,208,246,515.26/3,539,423.80 - Step 6: Final answer
x = 1,320,047.70
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1.5x scale
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.