Finding the Fourth Proportional to 3,901,860.96, 5,386,409.28 and 2,935,360.08
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Solution
The fourth proportional to 3,901,860.96, 5,386,409.28 and 2,935,360.08 is: 4,052,182.01
Step by Step Solution
- Step 1: Write the proportion equation
3,901,860.96 : 5,386,409.28 = 2,935,360.08 : x - Step 2: Convert to fraction form
3,901,860.96/5,386,409.28 = 2,935,360.08/x - Step 3: Cross multiply
3,901,860.96x = 5,386,409.28 × 2,935,360.08 - Step 4: Simplify right side
3,901,860.96x = 15,811,050,775,053.54 - Step 5: Solve for x
x = 15,811,050,775,053.54/3,901,860.96 - Step 6: Final answer
x = 4,052,182.01
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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.