Finding the Fourth Proportional to 2,664,830.80, 3,994,621.80 and 1,317,201.40
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Solution
The fourth proportional to 2,664,830.80, 3,994,621.80 and 1,317,201.40 is: 1,974,504.88
Step by Step Solution
- Step 1: Write the proportion equation
2,664,830.80 : 3,994,621.80 = 1,317,201.40 : x - Step 2: Convert to fraction form
2,664,830.80/3,994,621.80 = 1,317,201.40/x - Step 3: Cross multiply
2,664,830.80x = 3,994,621.80 × 1,317,201.40 - Step 4: Simplify right side
2,664,830.80x = 5,261,721,427,430.52 - Step 5: Solve for x
x = 5,261,721,427,430.52/2,664,830.80 - Step 6: Final answer
x = 1,974,504.88
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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.