Finding the Fourth Proportional to 1,425,348.20, 2,133,875.10 and 864,093.80
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Solution
The fourth proportional to 1,425,348.20, 2,133,875.10 and 864,093.80 is: 1,293,626.53
Step by Step Solution
- Step 1: Write the proportion equation
1,425,348.20 : 2,133,875.10 = 864,093.80 : x - Step 2: Convert to fraction form
1,425,348.20/2,133,875.10 = 864,093.80/x - Step 3: Cross multiply
1,425,348.20x = 2,133,875.10 × 864,093.80 - Step 4: Simplify right side
1,425,348.20x = 1,843,868,243,884.38 - Step 5: Solve for x
x = 1,843,868,243,884.38/1,425,348.20 - Step 6: Final answer
x = 1,293,626.53
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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.