Finding the Fourth Proportional to 5,377,985.08, 7,421,431.11 and 3,023,110.96
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Solution
The fourth proportional to 5,377,985.08, 7,421,431.11 and 3,023,110.96 is: 4,171,787.27
Step by Step Solution
- Step 1: Write the proportion equation
5,377,985.08 : 7,421,431.11 = 3,023,110.96 : x - Step 2: Convert to fraction form
5,377,985.08/7,421,431.11 = 3,023,110.96/x - Step 3: Cross multiply
5,377,985.08x = 7,421,431.11 × 3,023,110.96 - Step 4: Simplify right side
5,377,985.08x = 22,435,809,697,635.72 - Step 5: Solve for x
x = 22,435,809,697,635.72/5,377,985.08 - Step 6: Final answer
x = 4,171,787.27
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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.