Finding the Fourth Proportional to 5,219,572.34, 7,202,994.90 and 2,896,815.44
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Solution
The fourth proportional to 5,219,572.34, 7,202,994.90 and 2,896,815.44 is: 3,997,597.02
Step by Step Solution
- Step 1: Write the proportion equation
5,219,572.34 : 7,202,994.90 = 2,896,815.44 : x - Step 2: Convert to fraction form
5,219,572.34/7,202,994.90 = 2,896,815.44/x - Step 3: Cross multiply
5,219,572.34x = 7,202,994.90 × 2,896,815.44 - Step 4: Simplify right side
5,219,572.34x = 20,865,746,840,561.26 - Step 5: Solve for x
x = 20,865,746,840,561.26/5,219,572.34 - Step 6: Final answer
x = 3,997,597.02
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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.