Finding the Fourth Proportional to 4,930,413.67, 7,395,269.75 and 1,518,344.47
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Solution
The fourth proportional to 4,930,413.67, 7,395,269.75 and 1,518,344.47 is: 2,277,408.69
Step by Step Solution
- Step 1: Write the proportion equation
4,930,413.67 : 7,395,269.75 = 1,518,344.47 : x - Step 2: Convert to fraction form
4,930,413.67/7,395,269.75 = 1,518,344.47/x - Step 3: Cross multiply
4,930,413.67x = 7,395,269.75 × 1,518,344.47 - Step 4: Simplify right side
4,930,413.67x = 11,228,566,921,479.06 - Step 5: Solve for x
x = 11,228,566,921,479.06/4,930,413.67 - Step 6: Final answer
x = 2,277,408.69
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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.