Finding the Fourth Proportional to 1,348,368.20, 2,019,927.90 and 814,302.80
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Solution
The fourth proportional to 1,348,368.20, 2,019,927.90 and 814,302.80 is: 1,219,869.28
Step by Step Solution
- Step 1: Write the proportion equation
1,348,368.20 : 2,019,927.90 = 814,302.80 : x - Step 2: Convert to fraction form
1,348,368.20/2,019,927.90 = 814,302.80/x - Step 3: Cross multiply
1,348,368.20x = 2,019,927.90 × 814,302.80 - Step 4: Simplify right side
1,348,368.20x = 1,644,832,944,768.12 - Step 5: Solve for x
x = 1,644,832,944,768.12/1,348,368.20 - Step 6: Final answer
x = 1,219,869.28
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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.