Finding the Fourth Proportional to 1,815,745.79, 2,725,685.40 and 918,200.99
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Solution
The fourth proportional to 1,815,745.79, 2,725,685.40 and 918,200.99 is: 1,378,346.60
Step by Step Solution
- Step 1: Write the proportion equation
1,815,745.79 : 2,725,685.40 = 918,200.99 : x - Step 2: Convert to fraction form
1,815,745.79/2,725,685.40 = 918,200.99/x - Step 3: Cross multiply
1,815,745.79x = 2,725,685.40 × 918,200.99 - Step 4: Simplify right side
1,815,745.79x = 2,502,727,032,708.55 - Step 5: Solve for x
x = 2,502,727,032,708.55/1,815,745.79 - Step 6: Final answer
x = 1,378,346.60
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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.