Finding the Fourth Proportional to 6,306,115.64, 8,702,439.54 and 3,405,506.31
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Solution
The fourth proportional to 6,306,115.64, 8,702,439.54 and 3,405,506.31 is: 4,699,598.69
Step by Step Solution
- Step 1: Write the proportion equation
6,306,115.64 : 8,702,439.54 = 3,405,506.31 : x - Step 2: Convert to fraction form
6,306,115.64/8,702,439.54 = 3,405,506.31/x - Step 3: Cross multiply
6,306,115.64x = 8,702,439.54 × 3,405,506.31 - Step 4: Simplify right side
6,306,115.64x = 29,636,212,765,863.50 - Step 5: Solve for x
x = 29,636,212,765,863.50/6,306,115.64 - Step 6: Final answer
x = 4,699,598.69
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1.5x scale
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.