Finding the Fourth Proportional to 1,796,902.74, 2,478,830.58 and 1,071,239.13
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Solution
The fourth proportional to 1,796,902.74, 2,478,830.58 and 1,071,239.13 is: 1,477,776.32
Step by Step Solution
- Step 1: Write the proportion equation
1,796,902.74 : 2,478,830.58 = 1,071,239.13 : x - Step 2: Convert to fraction form
1,796,902.74/2,478,830.58 = 1,071,239.13/x - Step 3: Cross multiply
1,796,902.74x = 2,478,830.58 × 1,071,239.13 - Step 4: Simplify right side
1,796,902.74x = 2,655,420,313,936.60 - Step 5: Solve for x
x = 2,655,420,313,936.60/1,796,902.74 - Step 6: Final answer
x = 1,477,776.32
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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.