Finding the Fourth Proportional to 2,142,949.08, 3,214,423.62 and 1,017,606.36
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Solution
The fourth proportional to 2,142,949.08, 3,214,423.62 and 1,017,606.36 is: 1,526,409.54
Step by Step Solution
- Step 1: Write the proportion equation
2,142,949.08 : 3,214,423.62 = 1,017,606.36 : x - Step 2: Convert to fraction form
2,142,949.08/3,214,423.62 = 1,017,606.36/x - Step 3: Cross multiply
2,142,949.08x = 3,214,423.62 × 1,017,606.36 - Step 4: Simplify right side
2,142,949.08x = 3,271,017,919,446.22 - Step 5: Solve for x
x = 3,271,017,919,446.22/2,142,949.08 - Step 6: Final answer
x = 1,526,409.54
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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.