Finding the Fourth Proportional to 5,913,448.40, 8,160,551.88 and 3,197,187.92
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Solution
The fourth proportional to 5,913,448.40, 8,160,551.88 and 3,197,187.92 is: 4,412,115.59
Step by Step Solution
- Step 1: Write the proportion equation
5,913,448.40 : 8,160,551.88 = 3,197,187.92 : x - Step 2: Convert to fraction form
5,913,448.40/8,160,551.88 = 3,197,187.92/x - Step 3: Cross multiply
5,913,448.40x = 8,160,551.88 × 3,197,187.92 - Step 4: Simplify right side
5,913,448.40x = 26,090,817,891,269.29 - Step 5: Solve for x
x = 26,090,817,891,269.29/5,913,448.40 - Step 6: Final answer
x = 4,412,115.59
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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.