Finding the Fourth Proportional to 1,815,716.79, 2,725,641.90 and 918,171.99
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Solution
The fourth proportional to 1,815,716.79, 2,725,641.90 and 918,171.99 is: 1,378,303.08
Step by Step Solution
- Step 1: Write the proportion equation
1,815,716.79 : 2,725,641.90 = 918,171.99 : x - Step 2: Convert to fraction form
1,815,716.79/2,725,641.90 = 918,171.99/x - Step 3: Cross multiply
1,815,716.79x = 2,725,641.90 × 918,171.99 - Step 4: Simplify right side
1,815,716.79x = 2,502,608,047,350.38 - Step 5: Solve for x
x = 2,502,608,047,350.38/1,815,716.79 - Step 6: Final answer
x = 1,378,303.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.