Finding the Fourth Proportional to 5,613,480.16, 8,420,753.76 and 1,569,968.80
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Solution
The fourth proportional to 5,613,480.16, 8,420,753.76 and 1,569,968.80 is: 2,355,102.41
Step by Step Solution
- Step 1: Write the proportion equation
5,613,480.16 : 8,420,753.76 = 1,569,968.80 : x - Step 2: Convert to fraction form
5,613,480.16/8,420,753.76 = 1,569,968.80/x - Step 3: Cross multiply
5,613,480.16x = 8,420,753.76 × 1,569,968.80 - Step 4: Simplify right side
5,613,480.16x = 13,220,320,675,682.69 - Step 5: Solve for x
x = 13,220,320,675,682.69/5,613,480.16 - Step 6: Final answer
x = 2,355,102.41
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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.