Finding the Fourth Proportional to 2,144,607.42, 3,216,197.10 and 864,884.36
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Solution
The fourth proportional to 2,144,607.42, 3,216,197.10 and 864,884.36 is: 1,297,038.58
Step by Step Solution
- Step 1: Write the proportion equation
2,144,607.42 : 3,216,197.10 = 864,884.36 : x - Step 2: Convert to fraction form
2,144,607.42/3,216,197.10 = 864,884.36/x - Step 3: Cross multiply
2,144,607.42x = 3,216,197.10 × 864,884.36 - Step 4: Simplify right side
2,144,607.42x = 2,781,638,570,467.36 - Step 5: Solve for x
x = 2,781,638,570,467.36/2,144,607.42 - Step 6: Final answer
x = 1,297,038.58
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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.