Finding the Fourth Proportional to 6,321,330.59, 8,723,459.16 and 3,420,721.14
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Solution
The fourth proportional to 6,321,330.59, 8,723,459.16 and 3,420,721.14 is: 4,720,607.59
Step by Step Solution
- Step 1: Write the proportion equation
6,321,330.59 : 8,723,459.16 = 3,420,721.14 : x - Step 2: Convert to fraction form
6,321,330.59/8,723,459.16 = 3,420,721.14/x - Step 3: Cross multiply
6,321,330.59x = 8,723,459.16 × 3,420,721.14 - Step 4: Simplify right side
6,321,330.59x = 29,840,521,162,538.64 - Step 5: Solve for x
x = 29,840,521,162,538.64/6,321,330.59 - Step 6: Final answer
x = 4,720,607.59
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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.