Finding the Fourth Proportional to 1,791,555.75, 2,472,346.94 and 986,739.75
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Solution
The fourth proportional to 1,791,555.75, 2,472,346.94 and 986,739.75 is: 1,361,700.86
Step by Step Solution
- Step 1: Write the proportion equation
1,791,555.75 : 2,472,346.94 = 986,739.75 : x - Step 2: Convert to fraction form
1,791,555.75/2,472,346.94 = 986,739.75/x - Step 3: Cross multiply
1,791,555.75x = 2,472,346.94 × 986,739.75 - Step 4: Simplify right side
1,791,555.75x = 2,439,562,996,555.17 - Step 5: Solve for x
x = 2,439,562,996,555.17/1,791,555.75 - Step 6: Final answer
x = 1,361,700.86
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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.