Finding the Fourth Proportional to 1,477,924.12, 2,039,557.98 and 865,930.42
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Solution
The fourth proportional to 1,477,924.12, 2,039,557.98 and 865,930.42 is: 1,194,997.28
Step by Step Solution
- Step 1: Write the proportion equation
1,477,924.12 : 2,039,557.98 = 865,930.42 : x - Step 2: Convert to fraction form
1,477,924.12/2,039,557.98 = 865,930.42/x - Step 3: Cross multiply
1,477,924.12x = 2,039,557.98 × 865,930.42 - Step 4: Simplify right side
1,477,924.12x = 1,766,115,298,235.75 - Step 5: Solve for x
x = 1,766,115,298,235.75/1,477,924.12 - Step 6: Final answer
x = 1,194,997.28
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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.