Finding the Fourth Proportional to 2,045,970.33, 2,823,607.16 and 1,128,378.95
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Solution
The fourth proportional to 2,045,970.33, 2,823,607.16 and 1,128,378.95 is: 1,557,255.66
Step by Step Solution
- Step 1: Write the proportion equation
2,045,970.33 : 2,823,607.16 = 1,128,378.95 : x - Step 2: Convert to fraction form
2,045,970.33/2,823,607.16 = 1,128,378.95/x - Step 3: Cross multiply
2,045,970.33x = 2,823,607.16 × 1,128,378.95 - Step 4: Simplify right side
2,045,970.33x = 3,186,098,882,413.28 - Step 5: Solve for x
x = 3,186,098,882,413.28/2,045,970.33 - Step 6: Final answer
x = 1,557,255.66
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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.