Finding the Fourth Proportional to 4,126,811.60, 6,190,217.40 and 3,182,027.60
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Solution
The fourth proportional to 4,126,811.60, 6,190,217.40 and 3,182,027.60 is: 4,773,041.40
Step by Step Solution
- Step 1: Write the proportion equation
4,126,811.60 : 6,190,217.40 = 3,182,027.60 : x - Step 2: Convert to fraction form
4,126,811.60/6,190,217.40 = 3,182,027.60/x - Step 3: Cross multiply
4,126,811.60x = 6,190,217.40 × 3,182,027.60 - Step 4: Simplify right side
4,126,811.60x = 19,697,442,616,800.24 - Step 5: Solve for x
x = 19,697,442,616,800.24/4,126,811.60 - Step 6: Final answer
x = 4,773,041.40
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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.