Finding the Fourth Proportional to 2,262,487.24, 3,122,244.12 and 1,243,957.60
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Solution
The fourth proportional to 2,262,487.24, 3,122,244.12 and 1,243,957.60 is: 1,716,667.94
Step by Step Solution
- Step 1: Write the proportion equation
2,262,487.24 : 3,122,244.12 = 1,243,957.60 : x - Step 2: Convert to fraction form
2,262,487.24/3,122,244.12 = 1,243,957.60/x - Step 3: Cross multiply
2,262,487.24x = 3,122,244.12 × 1,243,957.60 - Step 4: Simplify right side
2,262,487.24x = 3,883,939,302,129.31 - Step 5: Solve for x
x = 3,883,939,302,129.31/2,262,487.24 - Step 6: Final answer
x = 1,716,667.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.