Finding the Fourth Proportional to 1,905,783.49, 2,859,790.62 and 708,532.21
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Solution
The fourth proportional to 1,905,783.49, 2,859,790.62 and 708,532.21 is: 1,063,212.99
Step by Step Solution
- Step 1: Write the proportion equation
1,905,783.49 : 2,859,790.62 = 708,532.21 : x - Step 2: Convert to fraction form
1,905,783.49/2,859,790.62 = 708,532.21/x - Step 3: Cross multiply
1,905,783.49x = 2,859,790.62 × 708,532.21 - Step 4: Simplify right side
1,905,783.49x = 2,026,253,753,826.92 - Step 5: Solve for x
x = 2,026,253,753,826.92/1,905,783.49 - Step 6: Final answer
x = 1,063,212.99
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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.