Finding the Fourth Proportional to 3,927,972.35, 5,420,549.64 and 2,209,092.80
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Solution
The fourth proportional to 3,927,972.35, 5,420,549.64 and 2,209,092.80 is: 3,048,518.71
Step by Step Solution
- Step 1: Write the proportion equation
3,927,972.35 : 5,420,549.64 = 2,209,092.80 : x - Step 2: Convert to fraction form
3,927,972.35/5,420,549.64 = 2,209,092.80/x - Step 3: Cross multiply
3,927,972.35x = 5,420,549.64 × 2,209,092.80 - Step 4: Simplify right side
3,927,972.35x = 11,974,497,181,766.59 - Step 5: Solve for x
x = 11,974,497,181,766.59/3,927,972.35 - Step 6: Final answer
x = 3,048,518.71
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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.