Finding the Fourth Proportional to 1,437,652.18, 2,155,669.08 and 477,593.81
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Solution
The fourth proportional to 1,437,652.18, 2,155,669.08 and 477,593.81 is: 716,121.90
Step by Step Solution
- Step 1: Write the proportion equation
1,437,652.18 : 2,155,669.08 = 477,593.81 : x - Step 2: Convert to fraction form
1,437,652.18/2,155,669.08 = 477,593.81/x - Step 3: Cross multiply
1,437,652.18x = 2,155,669.08 × 477,593.81 - Step 4: Simplify right side
1,437,652.18x = 1,029,534,209,016.39 - Step 5: Solve for x
x = 1,029,534,209,016.39/1,437,652.18 - Step 6: Final answer
x = 716,121.90
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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.