Finding the Fourth Proportional to 1,909,446.18, 2,863,955.43 and 489,535.62
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Solution
The fourth proportional to 1,909,446.18, 2,863,955.43 and 489,535.62 is: 734,248.61
Step by Step Solution
- Step 1: Write the proportion equation
1,909,446.18 : 2,863,955.43 = 489,535.62 : x - Step 2: Convert to fraction form
1,909,446.18/2,863,955.43 = 489,535.62/x - Step 3: Cross multiply
1,909,446.18x = 2,863,955.43 × 489,535.62 - Step 4: Simplify right side
1,909,446.18x = 1,402,008,197,077.42 - Step 5: Solve for x
x = 1,402,008,197,077.42/1,909,446.18 - Step 6: Final answer
x = 734,248.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.