Finding the Fourth Proportional to 1,526,135.40, 2,289,531.15 and 461,285.10
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Solution
The fourth proportional to 1,526,135.40, 2,289,531.15 and 461,285.10 is: 692,026.81
Step by Step Solution
- Step 1: Write the proportion equation
1,526,135.40 : 2,289,531.15 = 461,285.10 : x - Step 2: Convert to fraction form
1,526,135.40/2,289,531.15 = 461,285.10/x - Step 3: Cross multiply
1,526,135.40x = 2,289,531.15 × 461,285.10 - Step 4: Simplify right side
1,526,135.40x = 1,056,126,605,480.86 - Step 5: Solve for x
x = 1,056,126,605,480.86/1,526,135.40 - Step 6: Final answer
x = 692,026.81
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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.