Finding the Fourth Proportional to 1,913,305.94, 2,863,218.08 and 1,193,985.98
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Solution
The fourth proportional to 1,913,305.94, 2,863,218.08 and 1,193,985.98 is: 1,786,772.40
Step by Step Solution
- Step 1: Write the proportion equation
1,913,305.94 : 2,863,218.08 = 1,193,985.98 : x - Step 2: Convert to fraction form
1,913,305.94/2,863,218.08 = 1,193,985.98/x - Step 3: Cross multiply
1,913,305.94x = 2,863,218.08 × 1,193,985.98 - Step 4: Simplify right side
1,913,305.94x = 3,418,642,245,202.52 - Step 5: Solve for x
x = 3,418,642,245,202.52/1,913,305.94 - Step 6: Final answer
x = 1,786,772.40
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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.