Finding the Fourth Proportional to 3,864,125.80, 5,796,188.70 and 1,974,557.80
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Solution
The fourth proportional to 3,864,125.80, 5,796,188.70 and 1,974,557.80 is: 2,961,836.70
Step by Step Solution
- Step 1: Write the proportion equation
3,864,125.80 : 5,796,188.70 = 1,974,557.80 : x - Step 2: Convert to fraction form
3,864,125.80/5,796,188.70 = 1,974,557.80/x - Step 3: Cross multiply
3,864,125.80x = 5,796,188.70 × 1,974,557.80 - Step 4: Simplify right side
3,864,125.80x = 11,444,909,607,856.86 - Step 5: Solve for x
x = 11,444,909,607,856.86/3,864,125.80 - Step 6: Final answer
x = 2,961,836.70
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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.