Finding the Fourth Proportional to 1,512,202.20, 2,268,303.30 and 514,930.20
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Solution
The fourth proportional to 1,512,202.20, 2,268,303.30 and 514,930.20 is: 772,395.30
Step by Step Solution
- Step 1: Write the proportion equation
1,512,202.20 : 2,268,303.30 = 514,930.20 : x - Step 2: Convert to fraction form
1,512,202.20/2,268,303.30 = 514,930.20/x - Step 3: Cross multiply
1,512,202.20x = 2,268,303.30 × 514,930.20 - Step 4: Simplify right side
1,512,202.20x = 1,168,017,871,929.66 - Step 5: Solve for x
x = 1,168,017,871,929.66/1,512,202.20 - Step 6: Final answer
x = 772,395.30
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1.5x scale
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.