Finding the Fourth Proportional to 1,750,372.40, 2,620,309.80 and 1,646,562.80
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Solution
The fourth proportional to 1,750,372.40, 2,620,309.80 and 1,646,562.80 is: 2,464,906.69
Step by Step Solution
- Step 1: Write the proportion equation
1,750,372.40 : 2,620,309.80 = 1,646,562.80 : x - Step 2: Convert to fraction form
1,750,372.40/2,620,309.80 = 1,646,562.80/x - Step 3: Cross multiply
1,750,372.40x = 2,620,309.80 × 1,646,562.80 - Step 4: Simplify right side
1,750,372.40x = 4,314,504,641,155.44 - Step 5: Solve for x
x = 4,314,504,641,155.44/1,750,372.40 - Step 6: Final answer
x = 2,464,906.69
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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.