Finding the Fourth Proportional to 2,235,441.60, 3,354,037.20 and 815,641.20
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Solution
The fourth proportional to 2,235,441.60, 3,354,037.20 and 815,641.20 is: 1,223,780.99
Step by Step Solution
- Step 1: Write the proportion equation
2,235,441.60 : 3,354,037.20 = 815,641.20 : x - Step 2: Convert to fraction form
2,235,441.60/3,354,037.20 = 815,641.20/x - Step 3: Cross multiply
2,235,441.60x = 3,354,037.20 × 815,641.20 - Step 4: Simplify right side
2,235,441.60x = 2,735,690,926,652.64 - Step 5: Solve for x
x = 2,735,690,926,652.64/2,235,441.60 - Step 6: Final answer
x = 1,223,780.99
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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.