Finding the Fourth Proportional to 1,530,800.98, 2,292,920.97 and 1,245,135.58
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Solution
The fourth proportional to 1,530,800.98, 2,292,920.97 and 1,245,135.58 is: 1,865,035.05
Step by Step Solution
- Step 1: Write the proportion equation
1,530,800.98 : 2,292,920.97 = 1,245,135.58 : x - Step 2: Convert to fraction form
1,530,800.98/2,292,920.97 = 1,245,135.58/x - Step 3: Cross multiply
1,530,800.98x = 2,292,920.97 × 1,245,135.58 - Step 4: Simplify right side
1,530,800.98x = 2,854,997,481,875.11 - Step 5: Solve for x
x = 2,854,997,481,875.11/1,530,800.98 - Step 6: Final answer
x = 1,865,035.05
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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.