Finding the Fourth Proportional to 2,018,521.90, 3,024,355.35 and 1,218,121.60
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Solution
The fourth proportional to 2,018,521.90, 3,024,355.35 and 1,218,121.60 is: 1,825,114.00
Step by Step Solution
- Step 1: Write the proportion equation
2,018,521.90 : 3,024,355.35 = 1,218,121.60 : x - Step 2: Convert to fraction form
2,018,521.90/3,024,355.35 = 1,218,121.60/x - Step 3: Cross multiply
2,018,521.90x = 3,024,355.35 × 1,218,121.60 - Step 4: Simplify right side
2,018,521.90x = 3,684,032,577,910.56 - Step 5: Solve for x
x = 3,684,032,577,910.56/2,018,521.90 - Step 6: Final answer
x = 1,825,114.00
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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.