Finding the Fourth Proportional to 2,688,118.24, 4,031,540.38 and 768,970.28
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Solution
The fourth proportional to 2,688,118.24, 4,031,540.38 and 768,970.28 is: 1,153,273.20
Step by Step Solution
- Step 1: Write the proportion equation
2,688,118.24 : 4,031,540.38 = 768,970.28 : x - Step 2: Convert to fraction form
2,688,118.24/4,031,540.38 = 768,970.28/x - Step 3: Cross multiply
2,688,118.24x = 4,031,540.38 × 768,970.28 - Step 4: Simplify right side
2,688,118.24x = 3,100,134,734,839.91 - Step 5: Solve for x
x = 3,100,134,734,839.91/2,688,118.24 - Step 6: Final answer
x = 1,153,273.20
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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.