Finding the Fourth Proportional to 1,694,564.22, 2,338,490.12 and 920,188.14
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Solution
The fourth proportional to 1,694,564.22, 2,338,490.12 and 920,188.14 is: 1,269,855.02
Step by Step Solution
- Step 1: Write the proportion equation
1,694,564.22 : 2,338,490.12 = 920,188.14 : x - Step 2: Convert to fraction form
1,694,564.22/2,338,490.12 = 920,188.14/x - Step 3: Cross multiply
1,694,564.22x = 2,338,490.12 × 920,188.14 - Step 4: Simplify right side
1,694,564.22x = 2,151,850,873,931.18 - Step 5: Solve for x
x = 2,151,850,873,931.18/1,694,564.22 - Step 6: Final answer
x = 1,269,855.02
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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.