Finding the Fourth Proportional to 1,818,830.70, 2,728,246.05 and 620,354.70
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Solution
The fourth proportional to 1,818,830.70, 2,728,246.05 and 620,354.70 is: 930,532.05
Step by Step Solution
- Step 1: Write the proportion equation
1,818,830.70 : 2,728,246.05 = 620,354.70 : x - Step 2: Convert to fraction form
1,818,830.70/2,728,246.05 = 620,354.70/x - Step 3: Cross multiply
1,818,830.70x = 2,728,246.05 × 620,354.70 - Step 4: Simplify right side
1,818,830.70x = 1,692,480,259,873.93 - Step 5: Solve for x
x = 1,692,480,259,873.93/1,818,830.70 - Step 6: Final answer
x = 930,532.05
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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.