Finding the Fourth Proportional to 2,147,480.12, 3,214,210.76 and 1,578,710.64
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Solution
The fourth proportional to 2,147,480.12, 3,214,210.76 and 1,578,710.64 is: 2,362,913.02
Step by Step Solution
- Step 1: Write the proportion equation
2,147,480.12 : 3,214,210.76 = 1,578,710.64 : x - Step 2: Convert to fraction form
2,147,480.12/3,214,210.76 = 1,578,710.64/x - Step 3: Cross multiply
2,147,480.12x = 3,214,210.76 × 1,578,710.64 - Step 4: Simplify right side
2,147,480.12x = 5,074,308,726,014.49 - Step 5: Solve for x
x = 5,074,308,726,014.49/2,147,480.12 - Step 6: Final answer
x = 2,362,913.02
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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.