Finding the Fourth Proportional to 1,750,358.70, 2,625,538.05 and 420,662.70
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Solution
The fourth proportional to 1,750,358.70, 2,625,538.05 and 420,662.70 is: 630,994.05
Step by Step Solution
- Step 1: Write the proportion equation
1,750,358.70 : 2,625,538.05 = 420,662.70 : x - Step 2: Convert to fraction form
1,750,358.70/2,625,538.05 = 420,662.70/x - Step 3: Cross multiply
1,750,358.70x = 2,625,538.05 × 420,662.70 - Step 4: Simplify right side
1,750,358.70x = 1,104,465,925,065.73 - Step 5: Solve for x
x = 1,104,465,925,065.73/1,750,358.70 - Step 6: Final answer
x = 630,994.05
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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.