Finding the Fourth Proportional to 1,318,845.06, 1,977,990.74 and 371,994.36
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Solution
The fourth proportional to 1,318,845.06, 1,977,990.74 and 371,994.36 is: 557,913.45
Step by Step Solution
- Step 1: Write the proportion equation
1,318,845.06 : 1,977,990.74 = 371,994.36 : x - Step 2: Convert to fraction form
1,318,845.06/1,977,990.74 = 371,994.36/x - Step 3: Cross multiply
1,318,845.06x = 1,977,990.74 × 371,994.36 - Step 4: Simplify right side
1,318,845.06x = 735,801,399,412.23 - Step 5: Solve for x
x = 735,801,399,412.23/1,318,845.06 - Step 6: Final answer
x = 557,913.45
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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.