Finding the Fourth Proportional to 1,475,413.40, 2,213,120.10 and 1,464,915.80
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Solution
The fourth proportional to 1,475,413.40, 2,213,120.10 and 1,464,915.80 is: 2,197,373.70
Step by Step Solution
- Step 1: Write the proportion equation
1,475,413.40 : 2,213,120.10 = 1,464,915.80 : x - Step 2: Convert to fraction form
1,475,413.40/2,213,120.10 = 1,464,915.80/x - Step 3: Cross multiply
1,475,413.40x = 2,213,120.10 × 1,464,915.80 - Step 4: Simplify right side
1,475,413.40x = 3,242,034,601,787.58 - Step 5: Solve for x
x = 3,242,034,601,787.58/1,475,413.40 - Step 6: Final answer
x = 2,197,373.70
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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.