Finding the Fourth Proportional to 3,382,913.07, 4,663,903.68 and 2,687,501.28
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Solution
The fourth proportional to 3,382,913.07, 4,663,903.68 and 2,687,501.28 is: 3,705,163.82
Step by Step Solution
- Step 1: Write the proportion equation
3,382,913.07 : 4,663,903.68 = 2,687,501.28 : x - Step 2: Convert to fraction form
3,382,913.07/4,663,903.68 = 2,687,501.28/x - Step 3: Cross multiply
3,382,913.07x = 4,663,903.68 × 2,687,501.28 - Step 4: Simplify right side
3,382,913.07x = 12,534,247,109,796.71 - Step 5: Solve for x
x = 12,534,247,109,796.71/3,382,913.07 - Step 6: Final answer
x = 3,705,163.82
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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.