Finding the Fourth Proportional to 1,644,132.24, 2,448,861.45 and 1,570,363.68
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Solution
The fourth proportional to 1,644,132.24, 2,448,861.45 and 1,570,363.68 is: 2,338,986.48
Step by Step Solution
- Step 1: Write the proportion equation
1,644,132.24 : 2,448,861.45 = 1,570,363.68 : x - Step 2: Convert to fraction form
1,644,132.24/2,448,861.45 = 1,570,363.68/x - Step 3: Cross multiply
1,644,132.24x = 2,448,861.45 × 1,570,363.68 - Step 4: Simplify right side
1,644,132.24x = 3,845,603,078,432.14 - Step 5: Solve for x
x = 3,845,603,078,432.14/1,644,132.24 - Step 6: Final answer
x = 2,338,986.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.