Finding the Fourth Proportional to 1,813,655.20, 2,726,387.70 and 1,284,838.60
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Solution
The fourth proportional to 1,813,655.20, 2,726,387.70 and 1,284,838.60 is: 1,931,441.08
Step by Step Solution
- Step 1: Write the proportion equation
1,813,655.20 : 2,726,387.70 = 1,284,838.60 : x - Step 2: Convert to fraction form
1,813,655.20/2,726,387.70 = 1,284,838.60/x - Step 3: Cross multiply
1,813,655.20x = 2,726,387.70 × 1,284,838.60 - Step 4: Simplify right side
1,813,655.20x = 3,502,968,155,525.22 - Step 5: Solve for x
x = 3,502,968,155,525.22/1,813,655.20 - Step 6: Final answer
x = 1,931,441.08
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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.