Finding the Fourth Proportional to 3,670,753.31, 5,506,129.97 and 1,427,416.19
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Solution
The fourth proportional to 3,670,753.31, 5,506,129.97 and 1,427,416.19 is: 2,141,124.29
Step by Step Solution
- Step 1: Write the proportion equation
3,670,753.31 : 5,506,129.97 = 1,427,416.19 : x - Step 2: Convert to fraction form
3,670,753.31/5,506,129.97 = 1,427,416.19/x - Step 3: Cross multiply
3,670,753.31x = 5,506,129.97 × 1,427,416.19 - Step 4: Simplify right side
3,670,753.31x = 7,859,539,056,285.13 - Step 5: Solve for x
x = 7,859,539,056,285.13/3,670,753.31 - Step 6: Final answer
x = 2,141,124.29
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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.