Finding the Fourth Proportional to 3,851,748.02, 5,315,346.91 and 2,132,831.63
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Solution
The fourth proportional to 3,851,748.02, 5,315,346.91 and 2,132,831.63 is: 2,943,271.45
Step by Step Solution
- Step 1: Write the proportion equation
3,851,748.02 : 5,315,346.91 = 2,132,831.63 : x - Step 2: Convert to fraction form
3,851,748.02/5,315,346.91 = 2,132,831.63/x - Step 3: Cross multiply
3,851,748.02x = 5,315,346.91 × 2,132,831.63 - Step 4: Simplify right side
3,851,748.02x = 11,336,739,982,161.95 - Step 5: Solve for x
x = 11,336,739,982,161.95/3,851,748.02 - Step 6: Final answer
x = 2,943,271.45
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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.