Finding the Fourth Proportional to 1,776,864.40, 2,452,130.84 and 972,048.40
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Solution
The fourth proportional to 1,776,864.40, 2,452,130.84 and 972,048.40 is: 1,341,458.50
Step by Step Solution
- Step 1: Write the proportion equation
1,776,864.40 : 2,452,130.84 = 972,048.40 : x - Step 2: Convert to fraction form
1,776,864.40/2,452,130.84 = 972,048.40/x - Step 3: Cross multiply
1,776,864.40x = 2,452,130.84 × 972,048.40 - Step 4: Simplify right side
1,776,864.40x = 2,383,589,859,612.66 - Step 5: Solve for x
x = 2,383,589,859,612.66/1,776,864.40 - Step 6: Final answer
x = 1,341,458.50
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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.