Finding the Fourth Proportional to 4,920,904.01, 7,381,741.37 and 1,326,615.95
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Solution
The fourth proportional to 4,920,904.01, 7,381,741.37 and 1,326,615.95 is: 1,990,027.81
Step by Step Solution
- Step 1: Write the proportion equation
4,920,904.01 : 7,381,741.37 = 1,326,615.95 : x - Step 2: Convert to fraction form
4,920,904.01/7,381,741.37 = 1,326,615.95/x - Step 3: Cross multiply
4,920,904.01x = 7,381,741.37 × 1,326,615.95 - Step 4: Simplify right side
4,920,904.01x = 9,792,735,796,675.07 - Step 5: Solve for x
x = 9,792,735,796,675.07/4,920,904.01 - Step 6: Final answer
x = 1,990,027.81
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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.