Finding the Fourth Proportional to 5,890,729.10, 8,129,254.70 and 3,312,387.32
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Solution
The fourth proportional to 5,890,729.10, 8,129,254.70 and 3,312,387.32 is: 4,571,121.80
Step by Step Solution
- Step 1: Write the proportion equation
5,890,729.10 : 8,129,254.70 = 3,312,387.32 : x - Step 2: Convert to fraction form
5,890,729.10/8,129,254.70 = 3,312,387.32/x - Step 3: Cross multiply
5,890,729.10x = 8,129,254.70 × 3,312,387.32 - Step 4: Simplify right side
5,890,729.10x = 26,927,240,156,965.10 - Step 5: Solve for x
x = 26,927,240,156,965.10/5,890,729.10 - Step 6: Final answer
x = 4,571,121.80
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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.