Finding the Fourth Proportional to 6,406,266.17, 8,840,648.10 and 3,505,657.65
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Solution
The fourth proportional to 6,406,266.17, 8,840,648.10 and 3,505,657.65 is: 4,837,807.99
Step by Step Solution
- Step 1: Write the proportion equation
6,406,266.17 : 8,840,648.10 = 3,505,657.65 : x - Step 2: Convert to fraction form
6,406,266.17/8,840,648.10 = 3,505,657.65/x - Step 3: Cross multiply
6,406,266.17x = 8,840,648.10 × 3,505,657.65 - Step 4: Simplify right side
6,406,266.17x = 30,992,285,642,722.96 - Step 5: Solve for x
x = 30,992,285,642,722.96/6,406,266.17 - Step 6: Final answer
x = 4,837,807.99
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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.