Finding the Fourth Proportional to 7,240,941.20, 10,858,204.20 and 2,447,328.80
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Solution
The fourth proportional to 7,240,941.20, 10,858,204.20 and 2,447,328.80 is: 3,669,909.08
Step by Step Solution
- Step 1: Write the proportion equation
7,240,941.20 : 10,858,204.20 = 2,447,328.80 : x - Step 2: Convert to fraction form
7,240,941.20/10,858,204.20 = 2,447,328.80/x - Step 3: Cross multiply
7,240,941.20x = 10,858,204.20 × 2,447,328.80 - Step 4: Simplify right side
7,240,941.20x = 26,573,595,854,940.96 - Step 5: Solve for x
x = 26,573,595,854,940.96/7,240,941.20 - Step 6: Final answer
x = 3,669,909.08
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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.