Finding the Fourth Proportional to 1,791,804.75, 2,472,690.69 and 986,988.75
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Solution
The fourth proportional to 1,791,804.75, 2,472,690.69 and 986,988.75 is: 1,362,044.55
Step by Step Solution
- Step 1: Write the proportion equation
1,791,804.75 : 2,472,690.69 = 986,988.75 : x - Step 2: Convert to fraction form
1,791,804.75/2,472,690.69 = 986,988.75/x - Step 3: Cross multiply
1,791,804.75x = 2,472,690.69 × 986,988.75 - Step 4: Simplify right side
1,791,804.75x = 2,440,517,893,259.74 - Step 5: Solve for x
x = 2,440,517,893,259.74/1,791,804.75 - Step 6: Final answer
x = 1,362,044.55
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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.