Finding the Fourth Proportional to 1,804,187.81, 2,489,778.97 and 1,079,035.41
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Solution
The fourth proportional to 1,804,187.81, 2,489,778.97 and 1,079,035.41 is: 1,489,068.74
Step by Step Solution
- Step 1: Write the proportion equation
1,804,187.81 : 2,489,778.97 = 1,079,035.41 : x - Step 2: Convert to fraction form
1,804,187.81/2,489,778.97 = 1,079,035.41/x - Step 3: Cross multiply
1,804,187.81x = 2,489,778.97 × 1,079,035.41 - Step 4: Simplify right side
1,804,187.81x = 2,686,559,671,703.33 - Step 5: Solve for x
x = 2,686,559,671,703.33/1,804,187.81 - Step 6: Final answer
x = 1,489,068.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.