Finding the Fourth Proportional to 1,680,970.16, 2,319,421.56 and 1,001,969.84
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Solution
The fourth proportional to 1,680,970.16, 2,319,421.56 and 1,001,969.84 is: 1,382,529.27
Step by Step Solution
- Step 1: Write the proportion equation
1,680,970.16 : 2,319,421.56 = 1,001,969.84 : x - Step 2: Convert to fraction form
1,680,970.16/2,319,421.56 = 1,001,969.84/x - Step 3: Cross multiply
1,680,970.16x = 2,319,421.56 × 1,001,969.84 - Step 4: Simplify right side
1,680,970.16x = 2,323,990,449,365.75 - Step 5: Solve for x
x = 2,323,990,449,365.75/1,680,970.16 - Step 6: Final answer
x = 1,382,529.27
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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.