Finding the Fourth Proportional to 2,153,866.32, 3,230,790.84 and 806,130
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Solution
The fourth proportional to 2,153,866.32, 3,230,790.84 and 806,130 is: 1,209,191.77
Step by Step Solution
- Step 1: Write the proportion equation
2,153,866.32 : 3,230,790.84 = 806,130 : x - Step 2: Convert to fraction form
2,153,866.32/3,230,790.84 = 806,130/x - Step 3: Cross multiply
2,153,866.32x = 3,230,790.84 × 806,130 - Step 4: Simplify right side
2,153,866.32x = 2,604,437,419,849.20 - Step 5: Solve for x
x = 2,604,437,419,849.20/2,153,866.32 - Step 6: Final answer
x = 1,209,191.77
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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.