Finding the Fourth Proportional to 5,180,660.64, 7,771,009.86 and 1,586,413.08
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Solution
The fourth proportional to 5,180,660.64, 7,771,009.86 and 1,586,413.08 is: 2,379,625.41
Step by Step Solution
- Step 1: Write the proportion equation
5,180,660.64 : 7,771,009.86 = 1,586,413.08 : x - Step 2: Convert to fraction form
5,180,660.64/7,771,009.86 = 1,586,413.08/x - Step 3: Cross multiply
5,180,660.64x = 7,771,009.86 × 1,586,413.08 - Step 4: Simplify right side
5,180,660.64x = 12,328,031,686,712.97 - Step 5: Solve for x
x = 12,328,031,686,712.97/5,180,660.64 - Step 6: Final answer
x = 2,379,625.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.