Finding the Fourth Proportional to 5,308,983.18, 7,963,651.11 and 1,470,844.20
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Solution
The fourth proportional to 5,308,983.18, 7,963,651.11 and 1,470,844.20 is: 2,206,315.15
Step by Step Solution
- Step 1: Write the proportion equation
5,308,983.18 : 7,963,651.11 = 1,470,844.20 : x - Step 2: Convert to fraction form
5,308,983.18/7,963,651.11 = 1,470,844.20/x - Step 3: Cross multiply
5,308,983.18x = 7,963,651.11 × 1,470,844.20 - Step 4: Simplify right side
5,308,983.18x = 11,713,290,045,967.06 - Step 5: Solve for x
x = 11,713,290,045,967.06/5,308,983.18 - Step 6: Final answer
x = 2,206,315.15
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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.