Finding the Fourth Proportional to 1,877,679.86, 2,591,199.60 and 1,018,239.92
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Solution
The fourth proportional to 1,877,679.86, 2,591,199.60 and 1,018,239.92 is: 1,405,171.85
Step by Step Solution
- Step 1: Write the proportion equation
1,877,679.86 : 2,591,199.60 = 1,018,239.92 : x - Step 2: Convert to fraction form
1,877,679.86/2,591,199.60 = 1,018,239.92/x - Step 3: Cross multiply
1,877,679.86x = 2,591,199.60 × 1,018,239.92 - Step 4: Simplify right side
1,877,679.86x = 2,638,462,873,408.03 - Step 5: Solve for x
x = 2,638,462,873,408.03/1,877,679.86 - Step 6: Final answer
x = 1,405,171.85
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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.