Finding the Fourth Proportional to 6,321,854.01, 8,724,159.36 and 3,421,245.63
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Solution
The fourth proportional to 6,321,854.01, 8,724,159.36 and 3,421,245.63 is: 4,721,319.42
Step by Step Solution
- Step 1: Write the proportion equation
6,321,854.01 : 8,724,159.36 = 3,421,245.63 : x - Step 2: Convert to fraction form
6,321,854.01/8,724,159.36 = 3,421,245.63/x - Step 3: Cross multiply
6,321,854.01x = 8,724,159.36 × 3,421,245.63 - Step 4: Simplify right side
6,321,854.01x = 29,847,492,085,823.59 - Step 5: Solve for x
x = 29,847,492,085,823.59/6,321,854.01 - Step 6: Final answer
x = 4,721,319.42
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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.