Finding the Fourth Proportional to 2,648,578.35, 3,972,903.99 and 755,319.99
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Solution
The fourth proportional to 2,648,578.35, 3,972,903.99 and 755,319.99 is: 1,132,990.38
Step by Step Solution
- Step 1: Write the proportion equation
2,648,578.35 : 3,972,903.99 = 755,319.99 : x - Step 2: Convert to fraction form
2,648,578.35/3,972,903.99 = 755,319.99/x - Step 3: Cross multiply
2,648,578.35x = 3,972,903.99 × 755,319.99 - Step 4: Simplify right side
2,648,578.35x = 3,000,813,801,997.76 - Step 5: Solve for x
x = 3,000,813,801,997.76/2,648,578.35 - Step 6: Final answer
x = 1,132,990.38
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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.