Finding the Fourth Proportional to 1,791,572.79, 2,472,370.52 and 986,756.79
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Solution
The fourth proportional to 1,791,572.79, 2,472,370.52 and 986,756.79 is: 1,361,724.41
Step by Step Solution
- Step 1: Write the proportion equation
1,791,572.79 : 2,472,370.52 = 986,756.79 : x - Step 2: Convert to fraction form
1,791,572.79/2,472,370.52 = 986,756.79/x - Step 3: Cross multiply
1,791,572.79x = 2,472,370.52 × 986,756.79 - Step 4: Simplify right side
1,791,572.79x = 2,439,628,393,072.05 - Step 5: Solve for x
x = 2,439,628,393,072.05/1,791,572.79 - Step 6: Final answer
x = 1,361,724.41
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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.