Finding the Fourth Proportional to 1,900,625.70, 2,850,641.12 and 621,223.40
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Solution
The fourth proportional to 1,900,625.70, 2,850,641.12 and 621,223.40 is: 931,737.88
Step by Step Solution
- Step 1: Write the proportion equation
1,900,625.70 : 2,850,641.12 = 621,223.40 : x - Step 2: Convert to fraction form
1,900,625.70/2,850,641.12 = 621,223.40/x - Step 3: Cross multiply
1,900,625.70x = 2,850,641.12 × 621,223.40 - Step 4: Simplify right side
1,900,625.70x = 1,770,884,968,746.21 - Step 5: Solve for x
x = 1,770,884,968,746.21/1,900,625.70 - Step 6: Final answer
x = 931,737.88
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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.