Finding the Fourth Proportional to 2,939,582.76, 4,409,334.99 and 1,423,401.54
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Solution
The fourth proportional to 2,939,582.76, 4,409,334.99 and 1,423,401.54 is: 2,135,083.35
Step by Step Solution
- Step 1: Write the proportion equation
2,939,582.76 : 4,409,334.99 = 1,423,401.54 : x - Step 2: Convert to fraction form
2,939,582.76/4,409,334.99 = 1,423,401.54/x - Step 3: Cross multiply
2,939,582.76x = 4,409,334.99 × 1,423,401.54 - Step 4: Simplify right side
2,939,582.76x = 6,276,254,215,141.89 - Step 5: Solve for x
x = 6,276,254,215,141.89/2,939,582.76 - Step 6: Final answer
x = 2,135,083.35
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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.