Finding the Fourth Proportional to 4,899,358.18, 7,348,562.39 and 1,487,674.76
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Solution
The fourth proportional to 4,899,358.18, 7,348,562.39 and 1,487,674.76 is: 2,231,367.94
Step by Step Solution
- Step 1: Write the proportion equation
4,899,358.18 : 7,348,562.39 = 1,487,674.76 : x - Step 2: Convert to fraction form
4,899,358.18/7,348,562.39 = 1,487,674.76/x - Step 3: Cross multiply
4,899,358.18x = 7,348,562.39 × 1,487,674.76 - Step 4: Simplify right side
4,899,358.18x = 10,932,270,789,888.28 - Step 5: Solve for x
x = 10,932,270,789,888.28/4,899,358.18 - Step 6: Final answer
x = 2,231,367.94
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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.