Finding the Fourth Proportional to 1,804,130.68, 2,489,701.44 and 988,364.04
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Solution
The fourth proportional to 1,804,130.68, 2,489,701.44 and 988,364.04 is: 1,363,942.98
Step by Step Solution
- Step 1: Write the proportion equation
1,804,130.68 : 2,489,701.44 = 988,364.04 : x - Step 2: Convert to fraction form
1,804,130.68/2,489,701.44 = 988,364.04/x - Step 3: Cross multiply
1,804,130.68x = 2,489,701.44 × 988,364.04 - Step 4: Simplify right side
1,804,130.68x = 2,460,731,373,632.22 - Step 5: Solve for x
x = 2,460,731,373,632.22/1,804,130.68 - Step 6: Final answer
x = 1,363,942.98
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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.