Finding the Fourth Proportional to 4,098,983.80, 6,148,475.70 and 1,968,554.20
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Solution
The fourth proportional to 4,098,983.80, 6,148,475.70 and 1,968,554.20 is: 2,952,831.30
Step by Step Solution
- Step 1: Write the proportion equation
4,098,983.80 : 6,148,475.70 = 1,968,554.20 : x - Step 2: Convert to fraction form
4,098,983.80/6,148,475.70 = 1,968,554.20/x - Step 3: Cross multiply
4,098,983.80x = 6,148,475.70 × 1,968,554.20 - Step 4: Simplify right side
4,098,983.80x = 12,103,607,662,832.94 - Step 5: Solve for x
x = 12,103,607,662,832.94/4,098,983.80 - Step 6: Final answer
x = 2,952,831.30
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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.