Finding the Fourth Proportional to 1,918,391.49, 2,646,751.52 and 1,367,194.02
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Solution
The fourth proportional to 1,918,391.49, 2,646,751.52 and 1,367,194.02 is: 1,886,279.66
Step by Step Solution
- Step 1: Write the proportion equation
1,918,391.49 : 2,646,751.52 = 1,367,194.02 : x - Step 2: Convert to fraction form
1,918,391.49/2,646,751.52 = 1,367,194.02/x - Step 3: Cross multiply
1,918,391.49x = 2,646,751.52 × 1,367,194.02 - Step 4: Simplify right side
1,918,391.49x = 3,618,622,843,733.94 - Step 5: Solve for x
x = 3,618,622,843,733.94/1,918,391.49 - Step 6: Final answer
x = 1,886,279.66
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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.