Finding the Fourth Proportional to 1,588,444.78, 2,192,070.78 and 863,292.53
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Solution
The fourth proportional to 1,588,444.78, 2,192,070.78 and 863,292.53 is: 1,191,352.92
Step by Step Solution
- Step 1: Write the proportion equation
1,588,444.78 : 2,192,070.78 = 863,292.53 : x - Step 2: Convert to fraction form
1,588,444.78/2,192,070.78 = 863,292.53/x - Step 3: Cross multiply
1,588,444.78x = 2,192,070.78 × 863,292.53 - Step 4: Simplify right side
1,588,444.78x = 1,892,398,332,657.44 - Step 5: Solve for x
x = 1,892,398,332,657.44/1,588,444.78 - Step 6: Final answer
x = 1,191,352.92
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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.