Finding the Fourth Proportional to 3,621,959.60, 4,997,214.28 and 2,171,125.68
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Solution
The fourth proportional to 3,621,959.60, 4,997,214.28 and 2,171,125.68 is: 2,995,500.07
Step by Step Solution
- Step 1: Write the proportion equation
3,621,959.60 : 4,997,214.28 = 2,171,125.68 : x - Step 2: Convert to fraction form
3,621,959.60/4,997,214.28 = 2,171,125.68/x - Step 3: Cross multiply
3,621,959.60x = 4,997,214.28 × 2,171,125.68 - Step 4: Simplify right side
3,621,959.60x = 10,849,580,251,770.71 - Step 5: Solve for x
x = 10,849,580,251,770.71/3,621,959.60 - Step 6: Final answer
x = 2,995,500.07
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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.