Finding the Fourth Proportional to 1,879,659.84, 2,593,935.56 and 1,020,220.08
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Solution
The fourth proportional to 1,879,659.84, 2,593,935.56 and 1,020,220.08 is: 1,407,906.41
Step by Step Solution
- Step 1: Write the proportion equation
1,879,659.84 : 2,593,935.56 = 1,020,220.08 : x - Step 2: Convert to fraction form
1,879,659.84/2,593,935.56 = 1,020,220.08/x - Step 3: Cross multiply
1,879,659.84x = 2,593,935.56 × 1,020,220.08 - Step 4: Simplify right side
1,879,659.84x = 2,646,385,144,538.05 - Step 5: Solve for x
x = 2,646,385,144,538.05/1,879,659.84 - Step 6: Final answer
x = 1,407,906.41
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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.