Finding the Fourth Proportional to 2,150,038.12, 2,967,175.20 and 1,232,420.08
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Solution
The fourth proportional to 2,150,038.12, 2,967,175.20 and 1,232,420.08 is: 1,700,809.98
Step by Step Solution
- Step 1: Write the proportion equation
2,150,038.12 : 2,967,175.20 = 1,232,420.08 : x - Step 2: Convert to fraction form
2,150,038.12/2,967,175.20 = 1,232,420.08/x - Step 3: Cross multiply
2,150,038.12x = 2,967,175.20 × 1,232,420.08 - Step 4: Simplify right side
2,150,038.12x = 3,656,806,297,358.02 - Step 5: Solve for x
x = 3,656,806,297,358.02/2,150,038.12 - Step 6: Final answer
x = 1,700,809.98
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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.