Finding the Fourth Proportional to 4,018,220.40, 6,028,108.20 and 1,178,425.20
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Solution
The fourth proportional to 4,018,220.40, 6,028,108.20 and 1,178,425.20 is: 1,767,865.85
Step by Step Solution
- Step 1: Write the proportion equation
4,018,220.40 : 6,028,108.20 = 1,178,425.20 : x - Step 2: Convert to fraction form
4,018,220.40/6,028,108.20 = 1,178,425.20/x - Step 3: Cross multiply
4,018,220.40x = 6,028,108.20 × 1,178,425.20 - Step 4: Simplify right side
4,018,220.40x = 7,103,674,611,206.64 - Step 5: Solve for x
x = 7,103,674,611,206.64/4,018,220.40 - Step 6: Final answer
x = 1,767,865.85
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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.