Finding the Fourth Proportional to 1,551,113.12, 2,326,698.84 and 486,131.60
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Solution
The fourth proportional to 1,551,113.12, 2,326,698.84 and 486,131.60 is: 729,206.54
Step by Step Solution
- Step 1: Write the proportion equation
1,551,113.12 : 2,326,698.84 = 486,131.60 : x - Step 2: Convert to fraction form
1,551,113.12/2,326,698.84 = 486,131.60/x - Step 3: Cross multiply
1,551,113.12x = 2,326,698.84 × 486,131.60 - Step 4: Simplify right side
1,551,113.12x = 1,131,081,829,807.34 - Step 5: Solve for x
x = 1,131,081,829,807.34/1,551,113.12 - Step 6: Final answer
x = 729,206.54
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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.