Finding the Fourth Proportional to 3,319,778.71, 4,583,413.61 and 2,709,389.71
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Solution
The fourth proportional to 3,319,778.71, 4,583,413.61 and 2,709,389.71 is: 3,740,687.18
Step by Step Solution
- Step 1: Write the proportion equation
3,319,778.71 : 4,583,413.61 = 2,709,389.71 : x - Step 2: Convert to fraction form
3,319,778.71/4,583,413.61 = 2,709,389.71/x - Step 3: Cross multiply
3,319,778.71x = 4,583,413.61 × 2,709,389.71 - Step 4: Simplify right side
3,319,778.71x = 12,418,253,671,607.95 - Step 5: Solve for x
x = 12,418,253,671,607.95/3,319,778.71 - Step 6: Final answer
x = 3,740,687.18
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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.