Finding the Fourth Proportional to 1,494,005.70, 2,243,341.35 and 864,149.70
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Solution
The fourth proportional to 1,494,005.70, 2,243,341.35 and 864,149.70 is: 1,297,573.87
Step by Step Solution
- Step 1: Write the proportion equation
1,494,005.70 : 2,243,341.35 = 864,149.70 : x - Step 2: Convert to fraction form
1,494,005.70/2,243,341.35 = 864,149.70/x - Step 3: Cross multiply
1,494,005.70x = 2,243,341.35 × 864,149.70 - Step 4: Simplify right side
1,494,005.70x = 1,938,582,754,600.10 - Step 5: Solve for x
x = 1,938,582,754,600.10/1,494,005.70 - Step 6: Final answer
x = 1,297,573.87
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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.