Finding the Fourth Proportional to 5,461,259.35, 7,539,371.12 and 3,989,515.31
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Solution
The fourth proportional to 5,461,259.35, 7,539,371.12 and 3,989,515.31 is: 5,507,600.82
Step by Step Solution
- Step 1: Write the proportion equation
5,461,259.35 : 7,539,371.12 = 3,989,515.31 : x - Step 2: Convert to fraction form
5,461,259.35/7,539,371.12 = 3,989,515.31/x - Step 3: Cross multiply
5,461,259.35x = 7,539,371.12 × 3,989,515.31 - Step 4: Simplify right side
5,461,259.35x = 30,078,436,453,367.42 - Step 5: Solve for x
x = 30,078,436,453,367.42/5,461,259.35 - Step 6: Final answer
x = 5,507,600.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.