Finding the Fourth Proportional to 1,909,451.68, 2,863,963.68 and 489,541.12
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Solution
The fourth proportional to 1,909,451.68, 2,863,963.68 and 489,541.12 is: 734,256.86
Step by Step Solution
- Step 1: Write the proportion equation
1,909,451.68 : 2,863,963.68 = 489,541.12 : x - Step 2: Convert to fraction form
1,909,451.68/2,863,963.68 = 489,541.12/x - Step 3: Cross multiply
1,909,451.68x = 2,863,963.68 × 489,541.12 - Step 4: Simplify right side
1,909,451.68x = 1,402,027,987,546.52 - Step 5: Solve for x
x = 1,402,027,987,546.52/1,909,451.68 - Step 6: Final answer
x = 734,256.86
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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.