Finding the Fourth Proportional to 6,406,068.88, 8,840,374.77 and 3,505,459.99
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Solution
The fourth proportional to 6,406,068.88, 8,840,374.77 and 3,505,459.99 is: 4,837,534.63
Step by Step Solution
- Step 1: Write the proportion equation
6,406,068.88 : 8,840,374.77 = 3,505,459.99 : x - Step 2: Convert to fraction form
6,406,068.88/8,840,374.77 = 3,505,459.99/x - Step 3: Cross multiply
6,406,068.88x = 8,840,374.77 × 3,505,459.99 - Step 4: Simplify right side
6,406,068.88x = 30,989,580,008,638.57 - Step 5: Solve for x
x = 30,989,580,008,638.57/6,406,068.88 - Step 6: Final answer
x = 4,837,534.63
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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.