Finding the Fourth Proportional to 1,766,465.40, 2,653,634.70 and 1,694,731.80
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Solution
The fourth proportional to 1,766,465.40, 2,653,634.70 and 1,694,731.80 is: 2,545,874.44
Step by Step Solution
- Step 1: Write the proportion equation
1,766,465.40 : 2,653,634.70 = 1,694,731.80 : x - Step 2: Convert to fraction form
1,766,465.40/2,653,634.70 = 1,694,731.80/x - Step 3: Cross multiply
1,766,465.40x = 2,653,634.70 × 1,694,731.80 - Step 4: Simplify right side
1,766,465.40x = 4,497,199,111,673.46 - Step 5: Solve for x
x = 4,497,199,111,673.46/1,766,465.40 - Step 6: Final answer
x = 2,545,874.44
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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.