Finding the Fourth Proportional to 1,518,148.28, 2,277,621.66 and 545,610.80
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Solution
The fourth proportional to 1,518,148.28, 2,277,621.66 and 545,610.80 is: 818,559.68
Step by Step Solution
- Step 1: Write the proportion equation
1,518,148.28 : 2,277,621.66 = 545,610.80 : x - Step 2: Convert to fraction form
1,518,148.28/2,277,621.66 = 545,610.80/x - Step 3: Cross multiply
1,518,148.28x = 2,277,621.66 × 545,610.80 - Step 4: Simplify right side
1,518,148.28x = 1,242,694,967,869.34 - Step 5: Solve for x
x = 1,242,694,967,869.34/1,518,148.28 - Step 6: Final answer
x = 818,559.68
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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.