Finding the Fourth Proportional to 1,412,389.40, 2,115,819.30 and 849,752.60
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Solution
The fourth proportional to 1,412,389.40, 2,115,819.30 and 849,752.60 is: 1,272,965.48
Step by Step Solution
- Step 1: Write the proportion equation
1,412,389.40 : 2,115,819.30 = 849,752.60 : x - Step 2: Convert to fraction form
1,412,389.40/2,115,819.30 = 849,752.60/x - Step 3: Cross multiply
1,412,389.40x = 2,115,819.30 × 849,752.60 - Step 4: Simplify right side
1,412,389.40x = 1,797,922,951,305.18 - Step 5: Solve for x
x = 1,797,922,951,305.18/1,412,389.40 - Step 6: Final answer
x = 1,272,965.48
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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.