Finding the Fourth Proportional to 1,318,422.96, 1,977,459.57 and 371,869.92
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Solution
The fourth proportional to 1,318,422.96, 1,977,459.57 and 371,869.92 is: 557,755.56
Step by Step Solution
- Step 1: Write the proportion equation
1,318,422.96 : 1,977,459.57 = 371,869.92 : x - Step 2: Convert to fraction form
1,318,422.96/1,977,459.57 = 371,869.92/x - Step 3: Cross multiply
1,318,422.96x = 1,977,459.57 × 371,869.92 - Step 4: Simplify right side
1,318,422.96x = 735,357,732,099.13 - Step 5: Solve for x
x = 735,357,732,099.13/1,318,422.96 - Step 6: Final answer
x = 557,755.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.