Finding the Fourth Proportional to 1,552,793.19, 2,142,634.10 and 864,369.47
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Solution
The fourth proportional to 1,552,793.19, 2,142,634.10 and 864,369.47 is: 1,192,707.12
Step by Step Solution
- Step 1: Write the proportion equation
1,552,793.19 : 2,142,634.10 = 864,369.47 : x - Step 2: Convert to fraction form
1,552,793.19/2,142,634.10 = 864,369.47/x - Step 3: Cross multiply
1,552,793.19x = 2,142,634.10 × 864,369.47 - Step 4: Simplify right side
1,552,793.19x = 1,852,027,486,385.91 - Step 5: Solve for x
x = 1,852,027,486,385.91/1,552,793.19 - Step 6: Final answer
x = 1,192,707.12
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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.