Finding the Fourth Proportional to 4,220,764.02, 5,824,949.95 and 2,385,391.93
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Solution
The fourth proportional to 4,220,764.02, 5,824,949.95 and 2,385,391.93 is: 3,292,007.92
Step by Step Solution
- Step 1: Write the proportion equation
4,220,764.02 : 5,824,949.95 = 2,385,391.93 : x - Step 2: Convert to fraction form
4,220,764.02/5,824,949.95 = 2,385,391.93/x - Step 3: Cross multiply
4,220,764.02x = 5,824,949.95 × 2,385,391.93 - Step 4: Simplify right side
4,220,764.02x = 13,894,788,591,803.27 - Step 5: Solve for x
x = 13,894,788,591,803.27/4,220,764.02 - Step 6: Final answer
x = 3,292,007.92
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1.5x scale
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.