Finding the Fourth Proportional to 3,418,199.08, 5,127,309.66 and 1,287,711.08
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Solution
The fourth proportional to 3,418,199.08, 5,127,309.66 and 1,287,711.08 is: 1,931,570.78
Step by Step Solution
- Step 1: Write the proportion equation
3,418,199.08 : 5,127,309.66 = 1,287,711.08 : x - Step 2: Convert to fraction form
3,418,199.08/5,127,309.66 = 1,287,711.08/x - Step 3: Cross multiply
3,418,199.08x = 5,127,309.66 × 1,287,711.08 - Step 4: Simplify right side
3,418,199.08x = 6,602,493,459,773.03 - Step 5: Solve for x
x = 6,602,493,459,773.03/3,418,199.08 - Step 6: Final answer
x = 1,931,570.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.