Finding the Fourth Proportional to 4,140,635.20, 6,207,259.20 and 1,615,703.20
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Solution
The fourth proportional to 4,140,635.20, 6,207,259.20 and 1,615,703.20 is: 2,422,113.53
Step by Step Solution
- Step 1: Write the proportion equation
4,140,635.20 : 6,207,259.20 = 1,615,703.20 : x - Step 2: Convert to fraction form
4,140,635.20/6,207,259.20 = 1,615,703.20/x - Step 3: Cross multiply
4,140,635.20x = 6,207,259.20 × 1,615,703.20 - Step 4: Simplify right side
4,140,635.20x = 10,029,088,552,669.44 - Step 5: Solve for x
x = 10,029,088,552,669.44/4,140,635.20 - Step 6: Final answer
x = 2,422,113.53
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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.