Finding the Fourth Proportional to 3,748,879.60, 5,623,319.40 and 3,601,913.20
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Solution
The fourth proportional to 3,748,879.60, 5,623,319.40 and 3,601,913.20 is: 5,402,869.80
Step by Step Solution
- Step 1: Write the proportion equation
3,748,879.60 : 5,623,319.40 = 3,601,913.20 : x - Step 2: Convert to fraction form
3,748,879.60/5,623,319.40 = 3,601,913.20/x - Step 3: Cross multiply
3,748,879.60x = 5,623,319.40 × 3,601,913.20 - Step 4: Simplify right side
3,748,879.60x = 20,254,708,374,676.08 - Step 5: Solve for x
x = 20,254,708,374,676.08/3,748,879.60 - Step 6: Final answer
x = 5,402,869.80
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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.