Finding the Fourth Proportional to 1,845,638.37, 2,546,987.18 and 1,029,827.21
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Solution
The fourth proportional to 1,845,638.37, 2,546,987.18 and 1,029,827.21 is: 1,421,165.02
Step by Step Solution
- Step 1: Write the proportion equation
1,845,638.37 : 2,546,987.18 = 1,029,827.21 : x - Step 2: Convert to fraction form
1,845,638.37/2,546,987.18 = 1,029,827.21/x - Step 3: Cross multiply
1,845,638.37x = 2,546,987.18 × 1,029,827.21 - Step 4: Simplify right side
1,845,638.37x = 2,622,956,683,601.10 - Step 5: Solve for x
x = 2,622,956,683,601.10/1,845,638.37 - Step 6: Final answer
x = 1,421,165.02
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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.