Finding the Fourth Proportional to 4,707,446.40, 6,475,888.80 and 4,124,041.92
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Solution
The fourth proportional to 4,707,446.40, 6,475,888.80 and 4,124,041.92 is: 5,673,317.25
Step by Step Solution
- Step 1: Write the proportion equation
4,707,446.40 : 6,475,888.80 = 4,124,041.92 : x - Step 2: Convert to fraction form
4,707,446.40/6,475,888.80 = 4,124,041.92/x - Step 3: Cross multiply
4,707,446.40x = 6,475,888.80 × 4,124,041.92 - Step 4: Simplify right side
4,707,446.40x = 26,706,836,880,458.50 - Step 5: Solve for x
x = 26,706,836,880,458.50/4,707,446.40 - Step 6: Final answer
x = 5,673,317.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.