Finding the Fourth Proportional to 4,209,876.25, 5,809,624.28 and 2,276,132.24
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Solution
The fourth proportional to 4,209,876.25, 5,809,624.28 and 2,276,132.24 is: 3,141,059.82
Step by Step Solution
- Step 1: Write the proportion equation
4,209,876.25 : 5,809,624.28 = 2,276,132.24 : x - Step 2: Convert to fraction form
4,209,876.25/5,809,624.28 = 2,276,132.24/x - Step 3: Cross multiply
4,209,876.25x = 5,809,624.28 × 2,276,132.24 - Step 4: Simplify right side
4,209,876.25x = 13,223,473,125,994.79 - Step 5: Solve for x
x = 13,223,473,125,994.79/4,209,876.25 - Step 6: Final answer
x = 3,141,059.82
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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.