Finding the Fourth Proportional to 1,486,290.08, 2,228,864.61 and 632,820.62
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Solution
The fourth proportional to 1,486,290.08, 2,228,864.61 and 632,820.62 is: 948,988.02
Step by Step Solution
- Step 1: Write the proportion equation
1,486,290.08 : 2,228,864.61 = 632,820.62 : x - Step 2: Convert to fraction form
1,486,290.08/2,228,864.61 = 632,820.62/x - Step 3: Cross multiply
1,486,290.08x = 2,228,864.61 × 632,820.62 - Step 4: Simplify right side
1,486,290.08x = 1,410,471,484,396.26 - Step 5: Solve for x
x = 1,410,471,484,396.26/1,486,290.08 - Step 6: Final answer
x = 948,988.02
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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.