Finding the Fourth Proportional to 2,892,638.79, 3,991,873.95 and 1,652,413.32
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Solution
The fourth proportional to 2,892,638.79, 3,991,873.95 and 1,652,413.32 is: 2,280,348.90
Step by Step Solution
- Step 1: Write the proportion equation
2,892,638.79 : 3,991,873.95 = 1,652,413.32 : x - Step 2: Convert to fraction form
2,892,638.79/3,991,873.95 = 1,652,413.32/x - Step 3: Cross multiply
2,892,638.79x = 3,991,873.95 × 1,652,413.32 - Step 4: Simplify right side
2,892,638.79x = 6,596,225,686,741.02 - Step 5: Solve for x
x = 6,596,225,686,741.02/2,892,638.79 - Step 6: Final answer
x = 2,280,348.90
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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.