Finding the Fourth Proportional to 1,437,026.86, 2,155,707.05 and 477,568.09
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Solution
The fourth proportional to 1,437,026.86, 2,155,707.05 and 477,568.09 is: 716,407.55
Step by Step Solution
- Step 1: Write the proportion equation
1,437,026.86 : 2,155,707.05 = 477,568.09 : x - Step 2: Convert to fraction form
1,437,026.86/2,155,707.05 = 477,568.09/x - Step 3: Cross multiply
1,437,026.86x = 2,155,707.05 × 477,568.09 - Step 4: Simplify right side
1,437,026.86x = 1,029,496,890,690.93 - Step 5: Solve for x
x = 1,029,496,890,690.93/1,437,026.86 - Step 6: Final answer
x = 716,407.55
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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.