Finding the Fourth Proportional to 4,023,693.80, 6,035,540.70 and 3,078,909.80
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Solution
The fourth proportional to 4,023,693.80, 6,035,540.70 and 3,078,909.80 is: 4,618,364.70
Step by Step Solution
- Step 1: Write the proportion equation
4,023,693.80 : 6,035,540.70 = 3,078,909.80 : x - Step 2: Convert to fraction form
4,023,693.80/6,035,540.70 = 3,078,909.80/x - Step 3: Cross multiply
4,023,693.80x = 6,035,540.70 × 3,078,909.80 - Step 4: Simplify right side
4,023,693.80x = 18,582,885,409,528.86 - Step 5: Solve for x
x = 18,582,885,409,528.86/4,023,693.80 - Step 6: Final answer
x = 4,618,364.70
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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.