Finding the Fourth Proportional to 2,628,202.62, 3,942,335.52 and 1,031,517.66
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Solution
The fourth proportional to 2,628,202.62, 3,942,335.52 and 1,031,517.66 is: 1,547,288.89
Step by Step Solution
- Step 1: Write the proportion equation
2,628,202.62 : 3,942,335.52 = 1,031,517.66 : x - Step 2: Convert to fraction form
2,628,202.62/3,942,335.52 = 1,031,517.66/x - Step 3: Cross multiply
2,628,202.62x = 3,942,335.52 × 1,031,517.66 - Step 4: Simplify right side
2,628,202.62x = 4,066,588,710,525.28 - Step 5: Solve for x
x = 4,066,588,710,525.28/2,628,202.62 - Step 6: Final answer
x = 1,547,288.89
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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.