Finding the Fourth Proportional to 2,157,406.08, 2,977,092 and 1,190,627.28
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Solution
The fourth proportional to 2,157,406.08, 2,977,092 and 1,190,627.28 is: 1,642,994.79
Step by Step Solution
- Step 1: Write the proportion equation
2,157,406.08 : 2,977,092 = 1,190,627.28 : x - Step 2: Convert to fraction form
2,157,406.08/2,977,092 = 1,190,627.28/x - Step 3: Cross multiply
2,157,406.08x = 2,977,092 × 1,190,627.28 - Step 4: Simplify right side
2,157,406.08x = 3,544,606,950,269.76 - Step 5: Solve for x
x = 3,544,606,950,269.76/2,157,406.08 - Step 6: Final answer
x = 1,642,994.79
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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.