Finding the Fourth Proportional to 4,783,007.16, 7,174,860.70 and 1,943,173.08
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Solution
The fourth proportional to 4,783,007.16, 7,174,860.70 and 1,943,173.08 is: 2,914,901.80
Step by Step Solution
- Step 1: Write the proportion equation
4,783,007.16 : 7,174,860.70 = 1,943,173.08 : x - Step 2: Convert to fraction form
4,783,007.16/7,174,860.70 = 1,943,173.08/x - Step 3: Cross multiply
4,783,007.16x = 7,174,860.70 × 1,943,173.08 - Step 4: Simplify right side
4,783,007.16x = 13,941,996,164,989.96 - Step 5: Solve for x
x = 13,941,996,164,989.96/4,783,007.16 - Step 6: Final answer
x = 2,914,901.80
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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.