Finding the Fourth Proportional to 4,139,653.30, 6,209,043.18 and 1,107,325.18
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Solution
The fourth proportional to 4,139,653.30, 6,209,043.18 and 1,107,325.18 is: 1,660,870.94
Step by Step Solution
- Step 1: Write the proportion equation
4,139,653.30 : 6,209,043.18 = 1,107,325.18 : x - Step 2: Convert to fraction form
4,139,653.30/6,209,043.18 = 1,107,325.18/x - Step 3: Cross multiply
4,139,653.30x = 6,209,043.18 × 1,107,325.18 - Step 4: Simplify right side
4,139,653.30x = 6,875,429,856,921.27 - Step 5: Solve for x
x = 6,875,429,856,921.27/4,139,653.30 - Step 6: Final answer
x = 1,660,870.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.