Finding the Fourth Proportional to 1,628,261.10, 2,441,700.45 and 787,070.70
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Solution
The fourth proportional to 1,628,261.10, 2,441,700.45 and 787,070.70 is: 1,180,271.94
Step by Step Solution
- Step 1: Write the proportion equation
1,628,261.10 : 2,441,700.45 = 787,070.70 : x - Step 2: Convert to fraction form
1,628,261.10/2,441,700.45 = 787,070.70/x - Step 3: Cross multiply
1,628,261.10x = 2,441,700.45 × 787,070.70 - Step 4: Simplify right side
1,628,261.10x = 1,921,790,882,371.82 - Step 5: Solve for x
x = 1,921,790,882,371.82/1,628,261.10 - Step 6: Final answer
x = 1,180,271.94
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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.