Finding the Fourth Proportional to 2,507,135.21, 3,459,846.48 and 1,361,215.70
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Solution
The fourth proportional to 2,507,135.21, 3,459,846.48 and 1,361,215.70 is: 1,878,477.61
Step by Step Solution
- Step 1: Write the proportion equation
2,507,135.21 : 3,459,846.48 = 1,361,215.70 : x - Step 2: Convert to fraction form
2,507,135.21/3,459,846.48 = 1,361,215.70/x - Step 3: Cross multiply
2,507,135.21x = 3,459,846.48 × 1,361,215.70 - Step 4: Simplify right side
2,507,135.21x = 4,709,597,348,165.74 - Step 5: Solve for x
x = 4,709,597,348,165.74/2,507,135.21 - Step 6: Final answer
x = 1,878,477.61
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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.