Finding the Fourth Proportional to 2,102,678.48, 3,156,262.20 and 905,193.68
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Solution
The fourth proportional to 2,102,678.48, 3,156,262.20 and 905,193.68 is: 1,358,756.76
Step by Step Solution
- Step 1: Write the proportion equation
2,102,678.48 : 3,156,262.20 = 905,193.68 : x - Step 2: Convert to fraction form
2,102,678.48/3,156,262.20 = 905,193.68/x - Step 3: Cross multiply
2,102,678.48x = 3,156,262.20 × 905,193.68 - Step 4: Simplify right side
2,102,678.48x = 2,857,028,595,862.90 - Step 5: Solve for x
x = 2,857,028,595,862.90/2,102,678.48 - Step 6: Final answer
x = 1,358,756.76
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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.