Finding the Fourth Proportional to 2,293,681.70, 3,440,413.20 and 777,215.90
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Solution
The fourth proportional to 2,293,681.70, 3,440,413.20 and 777,215.90 is: 1,165,786.80
Step by Step Solution
- Step 1: Write the proportion equation
2,293,681.70 : 3,440,413.20 = 777,215.90 : x - Step 2: Convert to fraction form
2,293,681.70/3,440,413.20 = 777,215.90/x - Step 3: Cross multiply
2,293,681.70x = 3,440,413.20 × 777,215.90 - Step 4: Simplify right side
2,293,681.70x = 2,673,943,841,609.88 - Step 5: Solve for x
x = 2,673,943,841,609.88/2,293,681.70 - Step 6: Final answer
x = 1,165,786.80
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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.