Finding the Fourth Proportional to 4,220,803.20, 5,824,363.68 and 2,385,427.44
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Solution
The fourth proportional to 4,220,803.20, 5,824,363.68 and 2,385,427.44 is: 3,291,695.04
Step by Step Solution
- Step 1: Write the proportion equation
4,220,803.20 : 5,824,363.68 = 2,385,427.44 : x - Step 2: Convert to fraction form
4,220,803.20/5,824,363.68 = 2,385,427.44/x - Step 3: Cross multiply
4,220,803.20x = 5,824,363.68 × 2,385,427.44 - Step 4: Simplify right side
4,220,803.20x = 13,893,596,942,811.38 - Step 5: Solve for x
x = 13,893,596,942,811.38/4,220,803.20 - Step 6: Final answer
x = 3,291,695.04
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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.